get after sb.
要求某人赶快将某事完成
Can you get after them? We need the designs quickly.
你能要求他们赶快完成么？我们需要快速的设计方案。

get on with sb.(英式)
与某人相处愉快

get along with sb.(美式)
与某人相处愉快
I really get on with my supervisor.She’s so nice!
我和我的属下相处愉快。她真棒！
I really get along with my supervisor. She’s so nice!
我和我的属下相处愉快。她真棒！

let sb.down
让某人失望
He always lets me down when I ask him to help me.
他总让我失望当我让他帮我的时候。

see sth. through
完成某事
He finds it difficult to see projects through
他发现完成项目很困难。

take sb. off sth.
使某人退出某专案或任务
We should take him off the project. He doesn't have enough time to help us anyway.
我们应该让他退书任务。无论怎样，他没有足够的时间帮助我们。