work overtime 加班
work extra hours 加班
I refuse to work overtime during the weekend.
我拒绝在周末时加班。
What's your attitude toward working overtime?
你怎么看加班?
A: Are you free tonight?
今天晚上你有空吗?
B: I'm afraid not, I have to work extra hours tonight.
我恐怕没空,今晚得加班。