look sharp
1. 赶快
You'll have to look sharp if you want to be on time.
如果你想准时的话, 就得赶快。
习惯用语as sharp as a needle1.很有鉴别力的, 异常精明的; 非常机敏的as sharp as a razor1.厉害的; 异常锋利的, 机警的be sharp upon1.苛待fight at sharps1.用利器交手keep a sharp lookout1.严密监视Look sharp!1.赶快!留神!注意!小心!take a sharp walk1.快步走take sb. up sharp1.唐突地打断某人S-is the word!1.赶快! 快点!