beforehand

adv

1. ahead of time
in anticipation

e.g. when you pay ahead (or in advance) you receive a discount
We like to plan ahead
should have made reservations beforehand

Synonym: aheadin advance

1. 预先；事先；提前
If you do something beforehand, you do it earlier than a particular event.

e.g. How could she tell beforehand that I was going to go out?...
她怎么会事先知道我要出去？
e.g. Saunas can be hazardous if misused. Avoid a big meal beforehand.
洗桑拿浴如果方法不当会有危险，浴前切忌饱食。

1. beforehand的解释

1. 预先：before-tax税前收益的 | beforehand预先 | beforetime以前

2. 事先：before-log-verification 测前校验 | beforehand 事先 | beforsite 细白云岩

3. 门把和门铃：where one touch had covered another 层层覆盖的 | beforehand. 门把和门铃 | Suitcases checked and standing side by side. 检查完毕后并排放置的手提箱

4. beforehand

4. 预先;提前;赶在前面：barren不生育的;不结果实的 | beforehand预先;提前;赶在前面 | batch一批生产量;一批投料量