1. in the twinkling of an eye 一眨眼,转眼间
造句：
The development of things undergoes a myriad of changes in the twinkling of an eye.
事情的发展瞬息万变。
2. keep an eye on照看,监视
同义替换：
= keep a watch on
造句：
Would you keep an eye on my baby for me while I'm away?
我不在时你能替我照看一下宝宝吗?
3. in the eyes of/ in one’s eyes在某人看来, 在某人眼里
同义替换：
= in the judgment of
造句：
In the eyes of my parents, I'm forever a child.
在我父母的心目中,我永远是个孩子。
4. on the face of it表面看来
同义替换：
= judging by what one can see
造句：
On the face of it, the document seemed genuine.
从表面看，这文件像是真的。
5. in the face of 面对着(困难等情况)
造句：
He took his courage in both hands in the face of danger.
他迎着危险勇往直前。
