on guard
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释义
站岗；警惕；防备…；
英英释义
on guard
adj.vigilant
同义词：on one's guard(p)upon one's guard(p)on your guard
双语例句
He reported the murder to the police on duty.
他将凶杀事件告知值班警察。
There was no fireman on when the fire broke out.
火灾发生时没有消防队员在值班。
Keep a vigilant eye on the imperialist jackals.
对帝国主义的走狗要保持警戒。
Put none but Americans on guard tonight.
今夜只让美国人担任警戒。
权威例句
On Guard.On guard
ON GUARD
On guard—activating NK cell receptors
On guard|[mdash]|activating NK cell receptors
Bcl-2 family on guard at the ER.
Bcl-2 family on guard at the ER
On guard vehicle safety warning system
Plant Adaptation to Fluctuating Environment and Biomass Production Are Strongly Dependent on Guard Cell Potassium Channels
Ultrastructural and histochemical studies on guard cells
Anti-apoptotic proteins on guard of melanoma cell survival
Effects of cytosolic calcium and limited, possible dual, effects of G protein modulators on guard cell inward potassium channels
OnGuard, a computational platform for quantitative kinetic modeling of guard cell physiology.
1. On the platform, the guard blew his whistle.
站台上，警卫吹响了他的哨子。
《柯林斯英汉双解大词典》
2. Officially, the guard was to protect us. In fact, they were there to report on our movements.
据宣称，警卫是来保护我们的。实际上，他们是来监视我们的行动的。
《柯林斯英汉双解大词典》
3. A police spokesman said that this was the third bomb scare within a week and that we should all be on our guard.
一名警方发言人表示，这是一周内的第三次炸弹恐吓，我们都应该保持警惕。
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4. Police were on guard at Barnet town hall.
警察在巴尼特市政厅值守。
《柯林斯英汉双解大词典》
5. The armed forces were on high alert to guard against any retaliation.
武装部队保持高度警惕，以防发生任何报复行为。
《柯林斯英汉双解大词典》
6. The police have questioned him thoroughly, and he'll be on his guard.
警察已仔细盘问了他，因此他会保持警惕。
《柯林斯英汉双解大词典》
7. An alone lighthouse stands guard on the Patagonia coast.
一座孤独的灯塔在巴塔哥尼亚沿岸站岗。
youdao
8. At the outset, it seemed necessary to be on guard against the other two.
一开始，似乎有必要提防另外两个。
youdao
9. Men on guard duty sometimes think they see something moving to one side of them．
值班的人有时会以为看到了什么东西向他们这边移动。
youdao
10. If people knew that other motives might compromise the accuracy of their beliefs, most would probably try to be on their guard.
如果人们意识到其他的动机有可能会损害他们信念的准确性，那大部分人都会试图保持警惕。
youdao
11. Be on your guard against pickpockets.
提防扒手。
《新英汉大辞典》
12. This fellow is very crafty; we had better be on our guard.
这个家伙诡计多端，我们可得小心点儿。
《新英汉大辞典》
13. All this time, the mother is constantly on guard.
在这段时间内，章鱼母亲一直在警戒状态。
youdao
14. Two soldiers must be on guard all night.
两名战士必须通宵警戒。
youdao
15. The world is alert and on guard as never before.
世界从没有向现在这样保持警惕和戒备。
youdao
16. Thus, you should be on guard against this confused mapping.
因此，您应该谨防这种有混淆的映射。
youdao
17. Standing permanently on guard at the fulcrum of competing privatised arms of the state, armed with his suitcase of his rivals' commercial secrets, is a more tedious occupation.
一直在那盯着国家重要的富有竞争的私营部门，臂弯箱子里夹着竞争对手的商业秘密是一件多么沉闷的事情。
youdao
18. Distrust increases tension and negative "on guard" behavior, which can erode the spirit of the team and ultimately productivity.
不信任会增加紧张和消极的“防范”行为，这会破坏团队精神而最终影响生产力。
youdao
19. If we are alert enough, we'll notice that we are always on guard.
如果我们足够警惕，你会发现我们经常是在站岗。
youdao
20. These two girls had been above an hour in the place, happily employed in visiting an opposite milliner, watching the sentinel on guard, and dressing a sallad and cucumber.
这两位姑娘已经在那儿待了一个多钟头，高高兴兴地光顾过对面的一家帽子店，看了看站岗的哨兵，又调制了一些胡瓜色拉。
youdao
21. The original meaning is that punishment for someone can serve as a warning to others. But people now use the idiom to indicate that premature actions which put the enemy on guard.
原先的意思是指对某人的惩罚成了对其他人的警告，但现在人们用它来比喻不成熟的行为会使敌人产生戒备。
youdao
22. Then they turn gracefully and walk past the two police officers on guard-the officers try not to stare-into the hotel ballroom.
然后，她们优雅的转过身去，走向那些不敢盯着她们的两名警官，然后进入宾馆的舞厅。
youdao
23. In the absence of a common goal or common enemy, they prefer to be on guard against each other.
在缺乏共同目标或共同敌人的情况下，他们宁愿相互防备。
youdao
24. On guard: Mexico City is at a virtual standstill.
站岗：墨西哥处在一个实际意义上的停滞状态中。
youdao
25. We must also be on guard that we don't confuse such objective qualities as "oiliness" or "big-capness" or "consumerness" with what actually drives stock prices from day to day.
我们还必须要警惕，不能将“石油”或“大盘”或“消费”这些客观因素与每一天真正驱动股价的原因相混淆。
youdao
26. The animal that goes to a favorite food-foraging location and sees signs that a predator was there - but not the predator itself - may be on guard the next time.
在某些情况下，我们会幻想自己的先人又复活了。 “一个动物到它最喜欢觅食地点，看到有个食肉动物一在那里的迹象，但不是食肉动物本身，可能是上次（下次）在那里站岗。
youdao
27. There are also certain ways to tell if someone is lying to help keep yourself on guard.
有一些方法能够判断某人是否说谎，让我们能提防。
youdao
28. After all, cities are hyper-social places, in which residents must be constantly on guard, and have mathematically more opportunity to experience stressful interaction.
毕竟，城市是一个具有超社会性质的地方，身处其中的居民们必须时常保持警惕，并且拥有在数量上占优的机会去体验充满压力的相互作用。
youdao
29. After all, cities are hyper-social places, in which residents must be constantly on guard, and have mathematically more opportunity to experience stressful interaction.
毕竟，城市是一个具有超社会性质的地方，身处其中的居民们必须时常保持警惕，并且拥有在数量上占优的机会去体验充满压力的相互作用。
youdao
on guard
