您要查找的是不是：
- He is practicing on at the piano. 他在练习弹钢琴。
- He is practicing on the typewriter( the piano). 他在练习打字弹钢琴。
- He is practicing on the typewriter. 他在练习打字。
- He is practiced in the art of design. She is a practiced lecturer. 他精于设计艺术。她是个老练的演说者
- He is practically off his onion about her. 他对她简直神魂颠倒了。
- He is practiced in teaching English. 他对教英语很在行。
- He is practically typecast for the role of a gangster. 他扮演匪徒极为合适。
- He is practically off his onions about his beautiful girlfriend. 他对他漂亮的女朋友简直神魂颠倒了。
- He is strong enough to lift that rock. 他力气很大，能举起那块石头。
- Fred broke his leg, but he is able to get about on crutches. 弗雷德的腿虽然骨折了但他仍能拄着拐杖走动。
- He is lame in one leg and walks with the help of a crutch. 他的一条腿跛了，走路借助于拐杖。
- He is a great guy, a chip off the old block. 他是一位好人，就像他父亲一样。
- He is sprung from noble ancestors. 他出身名门。
- From this fact we may deduce that he is sick. 从这个事实我们可推断他生病的事。
- He is on a par with his brother in intelligence. 他在智力方面同他的弟弟不相上下。
- He is treacherous to his friends. 他对他的朋友不忠。
- He is the prime mover in the whole matter. 他是整个事件的发起者。
- He is very skilled at pivoting on his heel. 他能非常熟练地以脚跟旋转。
- I get the house all shipshape while he is away. 他不在的时候,我把房子打扫得干干净净,整整齐齐。
- He is going to go out and raise hob. 他今晚要出去纵情狂欢了。
