
好词典

源自中古英语 'biforenhand',由 'before'(之前)和 'hand'(手,引申为行动)组合而成,字面意思是“提前行动”。
❶ 指在某件事发生之前就提前做好或安排好,强调预先准备的动作或状态。
“We had discussed the plan beforehand, so everyone knew what to do.”
(我们事先讨论过这个计划,所以大家都知道该做什么。)
“She always prepares her speech beforehand to avoid mistakes.”
(她总是提前准备好演讲稿,以避免出错。)
know beforehand — 指在事情发生之前就已经知道或了解相关信息。
“I knew beforehand that the test would be difficult, so I studied hard.”
(我事先知道考试会很难,所以我努力学习。)