1.The palm of one's hand is slightly concave.
人的手掌是微凹的。收藏指正
2.I know Warley like the palm of my hand.
我对韦莱了如指掌。收藏指正
3.I know it like the palm of my hand.
我对此了如指掌。收藏指正
4.He knew the passage like the palm of his hand.
他对这条航线了如指掌。收藏指正
5.Mr Johnson obviously know the street like the palm of his hand.
显然约翰逊先生非常熟悉这条街。收藏指正
6.Mrs.Hayes called her son Hayes Junior who knew every corner and nook of the White House like the palm of his own hand.
海斯夫人叫来儿子小海斯。他对白宫的每一角落都了如指掌。收藏指正
7.We can have Martin as our guide. He was born and brought up here and knows the city like the palm of his hand.
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。收藏指正
8.of or relating to the palm of the hand.
属于手掌，或关于手掌。收藏指正
9.Evering is in the palm of my hand.
一切竟在我的掌握中.收藏指正
10.It must leave the palm of his hand.
球拍必须在球台后端之外。收藏指正