【俚语】

Get a free hand
有权做自己想做的任何事情
I get a free hand from my boss in hiring new staff.
我老板给我全权去做招聘新员工的事情。

Hour hand 时针
Minute hand 分针
Second hand 秒针

The hour hand is just past the "8" so you know the time is just past "8 O’clock"
时针经过了数字8，所以你就知道时间是8点多。

Gain the upper hand 占上风

No matter how hard they try, the other team is alway gaining the upper hand.
不论他们如何努力，另外一队总是占上风。

Hand in your notice
Give in your notice
递交辞呈

I found a new job so I handed in my notice last week.
我找到了新工作，所以上周的时候我递交了辞职申请。

A bird in the hand is worth two in the bush.
双鸟在林不如一鸟在手。
(劝人不要冒险)

【例句】

A: I think I'm gonna quit my job..another firm is going to offer me a better job.
我想我要辞职了，另外一家公司准备给我更好的工作机会。
B: Are you sure? You probably shouldn't quit unless you know you're gonna get in for sure. A bird in the hand is worth two in the bush.
你确定吗？除非你确定可以得到这个机会，要不然最好不要辞职。双鸟在林不如一鸟在手。