短语词组短語looker -ons-on 旁觀者looker looker -on 觀看者Be A Looker -on 看熱閙on looker 旁觀者On -looker 旁觀者be a mere on -looker 坐觀成敗the on -looker is clear-headed 對同一事物 返回 looker on