1.At least two people present 至少两人在场

A:I need to work overtime today.
B:Make sure that at least two people are present for safety reasons.

A：我今天要加班了。
B：为了安全起见，至少要有两个人在场。

2. Call if there are any issues 有问题打电话

A: Julian, I'm going to work next Saturday.
B: Good, call me if there are any issues.

A：朱利安，我下周要来加班。
B：好的，有问题给我打电话。

注："Issues" are problems and troubles, not simply something.

3.Check all the electricity, fire, gases after done 离开之前检查电、火和煤气。

A: You can go home, we'll finish the job.
B: Thank you. Make sure to check all the electricity,fire, gases after done.

A：你先回家吧，我们把事情做完。
B：谢谢你，（干完）走之前一定要检查电、火和煤气。

4.Exempt 薪水工

A: Do I get overtime pay?
B: No, you are an exempt (salaried) employee, and do not get paid for overtime.

A：我有加班费吗？
B：没有，你是薪水工，加班是没有加班费的。

5.Have to work overtime 不得不加班

A: Can you finish it today?
B: No way, I have to work overtime today to get it done.

A：你今天能干完吗？
B：根本不可能，我今天不得不加班才能干完。