灰心气馁用英语怎么说

灰心气馁用英语可以说成 "discouraged"。
这个词来源于英语动词 "discourage"，意思是使人泄气或使人灰心丧气。
例句：
He was discouraged by the failure of his business.
他因为生意失败而灰心丧气。
She felt discouraged after receiving a rejection letter from the company.
她收到公司的拒绝信后感到灰心丧气。
The bad weather discouraged us from going on a hike.
恶劣的天气使我们对去徒步旅行产生了沮喪。