/bɪˈfɔ:hænd ||; bɪˈfɔrˌhænd/adv
at an earlier time than sth (时间方面)早于,预先,事前:
If you visit us, phone beforehand to make sure we're in.如果你来看我们,请事先打个电话,确定我们在家。
beforehand/bIˋfɔr͵hænd; bIˈfɔːhænd/adv before something happens 预先﹐事先: When you give a speech, it's natural to feel nervous beforehand. 你在演讲之前感到紧张是很自然的。