例句：
Know something like the palm of one's hand.
中文: 熟知其事，了如指掌。 更详细进入...
She knows the rules off pat.
中文: 她对规则了如指掌. 更详细进入...
He knew the passage like the palm of his hand.
中文: 他对这条航线了如指掌。 更详细进入...
I am thoroughly conversant with all the rules.
中文: 我对所有的规则了如指掌。 更详细进入...
Snake: So in other words, he knows it inside out?
中文: 换句话说，他对这里了如指掌？ 更详细进入...
Are the secrets of nature all mastered?
中文: 难道大自然的奥秘都已了如指掌？ 更详细进入...
The designer is hip to the latest fashion.
中文: 设计师对时装的最新款式了如指掌。 更详细进入...
The span is the basic measure, i.e. the distance from the tip of the middle finger to the tip of the thumb of the outspread hand.
中文: 跨距是基本的度量，例如，中指指尖到张开的手掌上的大姆指指尖的距离。 更详细进入...
It includes the Lowering Palm, Horizontal Pushing Palm, Overhead Propelling Palm, Supporting Palm, Holding Spear Palm, Pointing -Sky and Drawing Ground Palm, Yinyang-Fish Palm and Turning Millstone Palm.
中文: 它包括：下沉掌、平推掌、撑天掌、托天掌、托枪掌、指天画地掌、阴阳鱼掌、推磨掌。 更详细进入...
Be knowledgeable about hotel information to answer guest inquiries.
中文: 对酒店的情况了如指掌，随时能够回答客人的问询。 更详细进入...
He has lived in this city all his life. He knows it like the back of his hand.
中文: 他在这座城市住了一辈子，对这里可以说是了如指掌。 更详细进入...
He's lived in this city all his life. He knows it like the back of his hand.
中文: 他在这座城市住了一辈子，对这里可以说是了如指掌。 更详细进入...
The climber never seems to take the plunge until he gets to know the mountain.
中文: 登山者在对大山了如指掌之前是不会轻易冒险攀登的。 更详细进入...
Be knowledgeable about your job. Attend all training courses required for your position.
中文: 对本身的工作岗位了如指掌。参加所有工作需的培训课程。 更详细进入...
DERMATOGLYPHIC STUDY OF HEZHEN NATIONALITY IN NORTHEAST CHINA
中文: 赫哲族掌指纹特征研究 更详细进入...
Presuming you know the principles of affiliate marketing , you still will be confronted with a lot of questions.
中文: 即使你对会员行销的原则了如指掌，你仍然会碰到许多问题。 更详细进入...
English is a piece of cake.
中文: 英语易如反掌。 更详细进入...
This is going to be a cakewalk.
中文: 这将易如反掌。 更详细进入...
Repair of the artery defect between t he metacarpophalangeae and proxima l interphalangeae of fingers.
中文: 指掌指关节至近侧指间关节间动脉缺损的修复 更详细进入...
We can have Martin as our guide. He was born and brought up here and knows the city like the palm of his hand.
中文: 我们可以请马丁做向导。他生于此，长于此，对这个城市了如指掌。 更详细进入...
