come through: 经历
His mother came through a serious illness．
他妈妈生了一场重病脱险了。
He has come through all kinds of difficulties．
他经历过各种各样的困难。

with flying colors: 出色地
John comes off with flying colors in everything he does.
约翰所做的每件事都极为成功。

come up roses : (事情)显得很完满[顺利]
Everything will come up roses.
一切都会圆满结束的。

go after: 追逐, 追求
The cctv attack on baidu could reflect a decision to go after a less protected target.
央视对百度的攻击可能反映了一个决定：追逐缺少保护的目标。
She starts to go after him when jack appears.
她向那人追去，突然杰克现身出来。

in retrospect: 回顾, 回顾往事
In retrospect , not such a good idea.
回顾检讨过去，这主意不怎么好。