also before-hand, early 13c., from before + hand, which here is of uncertain signification, unless the original notion is payment in advance or something done before another's hand does it. Hyphenated from 18c., one word from 19c.
雙語例句
1. How could she tell beforehand that I was going to go out?
她怎么會事先知道我要出去？
來自柯林斯例句
2. Saunas can be hazardous if misused. Avoid a big meal beforehand.
洗桑拿浴如果方法不當會有危險，浴前切忌飽食。
來自柯林斯例句
3. It wasn't a spur-of-the-moment decision. We discussed it in detail beforehand.
這可不是頭腦一熱作出的決定。我們事先仔細地討論過。
來自柯林斯例句
4. Rehearse and role-play the interview with a friend beforehand.