at ease 快活的 无拘无束的
I put him at ease.
我使他感到无拘无束。
at large 自由的 未被捕的
That escaped prisoner is still at large .
那个逃犯依旧逍遥法外。
at length 详细的
Gary spoke at length about the bridge .
加里详细的讲述了那座桥的故事。
at no time
从不,决不
Bill at no one time gambles .
at once ...and...
既...又...,同时具有
Gordom is at once modest and clever.
戈登既聪明又谦虚。
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