1. Expression：greener pastures

Explanation：A place or thing that is an improvement on one's current situation. （改善一个人现状的地方或事儿，更好的职位，更好的地方）

Example：Many scientists working for the government have left for greener pastures in the private sector.

许多原先为政府工作的科学家先在都到私人单位另谋高就了。

She's giving up her job and moving on to greener pastures.

她准备辞职去找更好的工作。

I liked my job here but it just didn't pay enough so I had to go to greener pastures.

我喜欢这里的工作，但是薪水不多，所以我不得不另谋高就了。

A lot of nurses seek greener pastures overseas.

很多护士在海外寻找更好的工作。

2. Expression：do a job on someone/something

Explanation：To have a harmful impact on someone or something. To damage someone or something; to mess up someone or something（对某人或某事产生有害的影响，伤害……，严重顺坏……）

Example：Considering her pessimism toward marriage, her last break-up must have really done a job on her.

考虑到她对婚姻的悲观态度，她上一次的分手一定对她带来了很大的伤害。

Ugh, your puppy did a job on my new shoes—they're completely chewed up!

哎呀，你的小狗把我的新鞋咬坏了——它们全被咬坏了!

The robbers really did a job on the bank guard. They beat him when they robbed the bank.

抢劫犯把银行的保安伤得很严重——当他们抢劫银行的时候，打了他。

The puppy did a job on my shoes. They are all chewed to pieces.

小狗把我的鞋子弄坏了，它们被肯德一块一块的了。