at the end of:
1.在……的尽头，在……的末尾
2.在...结束时
3.在……之末
I arrived at the end of april.
我是四月底到达的。
Turn right at the end of the road.
在路的尽头向右转。

come to:
1.共计
The bill came to $20.
帐单共计二十美元。
2.涉及
When it comes to German, I know nothing.
谈到德语,我一窍不通。
3.苏醒过来
When she came to, she could not, for a moment, recognize the surroundings.
她苏醒过来时,一下子记不清自己在什么地方。
4.被继承
The house came to him when his parents passed away.
父母过世后,房子就归他了。
5.达成
They have come to a decision.
他们已作出决定。
6.停住;下锚

buy into:
1.入股
2.买进
Mr. tanaka wants to buy into our company.
田中先生想成为我们公司的股东。
Why are people so eager to buy into organic food?
为什么人们那么愿意去买有机食品？

cover up
1.(完全)盖住;遮住;裹住
Cover yourself up well. It's cold outside.
穿得暖和一些。外面很冷。
He had forgotten to have the machine covered up.
他忘了把机器盖起来。
2.掩盖
How can you cover up your mistake?
你怎么能把自己的错误掩盖起来呢?

cover-up
名词 n.
1.掩饰;掩盖;掩饰手段
The police report was nothing but a cover-up.
警察报告书里只是一味的隐藏事实。
2.罩衫

bring up:
固定词组 ph.
1.养育;提起...,谈到
Good families will bring up good children to become law-abiding members of society.
好家庭就会教养出好孩子，也会变成社会安分守己的分子。
She is determined to bring up the children by herself.
她决心独立扶养小孩。