give a hand in

• 帮忙

give a hand in的用法和样例：

例句

1. My little brother is a very cheerful helper.
   我的小弟弟很乐於帮忙。
2. Lots of people volunteered to give a helping hand.
   许多人自动来帮忙。
3. We will partake in the celebration.
   我们将参加庆典。
4. I attended a conference on disarmament last week.
   我上周参加了一个裁军会议。