坚持，督促，备有，耽搁...

"Keep at it!" Thade encouraged me.“坚持下去！”萨德鼓励我道。Keep at him till he agrees.盯住他直到他同意为止.Keep at it, don't relax!继续努力, 不要泄劲!...

keep at的音标：keep at的英式发音音标为：[ki:p æt]keep at的美式发音音标为：[kip æt]...