" Go into business" , " set up a restaurant" , " know something back-to-front" , " know something inside out" , " a seasoned worker" , " be on the ball" , " take someone on" , " spread the word" .
“经商”、“开饭馆”、“了如指掌”、“洞悉透彻”、“经验丰富的工人”、“随机应变”、“录用某人”、“散布消息”。