1.
You're right on top of this thing.
这一切你都了如指掌。
2.
I can read his mind like a book.
我对他的心事了如指掌。
3.
Joseph knew the business cold.
约瑟芬对此事了如指掌。
4.
She knows the rules off pat.
她对规则了如指掌.
5.
I know Warley like the palm of my hand.
我对韦莱了如指掌。
6.
He is informed about the situation
他对局势了如指掌。
7.
I know that like the palm of my hand.
我对那事了如指掌。
8.
He has the whole answer at his finger lips
他对整个答案了如指掌。
9.
She knows that subject from beginning to end.
她对这门学科了如指掌。
10.
He knew his trade inside out.
他对他的行业了如指掌。
11.
Be quite knowledgeaBle aBout current events
对当今事件了如指掌
12.
Know something like the palm of one's hand
熟知其事,了如指掌
13.
His grasp of international realities was masterly.
他对国际形势了如指掌。
14.
thoroughly conversant with all the rules
对所有的规则了如指掌.
15.
We've learned how to make a living, but not a life;
如果生存，我们了如指掌，如何生活，我们无从谈起；
16.
He talks as if he knows all about it.
他谈起来似乎对此了如指掌。
17.
He knew all the surrounding fishing grounds like the palm of his hands.
他对周围的渔场全都了如指掌。
18.
My aunt knows all aBout this sickness.
我姨妈对这种疾病了如指掌。