Need a hand? 要帮忙吗?

I saw it first hand. 我亲眼所见。

Get your hands off me! 把手拿开。

I've got to hand it to him. 不佩服不行。

He's my right-hand man. 他是我的得力助手。

Things are getting out of hand. 事情要失控了。

Give me a hand.帮我个忙。