引发英语怎么说

引发英语可以说作 "trigger"。这个词来源于古英语的 "triggere"，意思是指 "拔出，释放"。在现代英语中，这个词的意思更多的是指 "导致，引起"。例如：
The smell of smoke triggered his asthma attack.
The news of the war triggered widespread panic.
She was afraid that talking about the accident would trigger her memories of the trauma.
He could not resist the temptation to pull the trigger.