before hand

同根派生

英汉例句

• Always look your work through before handing it in.
  交作业前一定要仔细检查。
• How clever of you to book the ticket before hand !
  你真聪明，预先把票子买好了。
• Look over the exercises before handing them in.
  把练习再检查一遍。
• Before hand in your exercise,you must go it over.
  你在交练习之前，一定要仔细检查一遍。
• Make a check on your answers before hand in.
  交上来之前再核对一下答案。