柯林斯词典clock on (clocking,clocked,clocks) 1. PHRASAL VERB When workers clock on at a factory or office, they put a special card into a device to show what time they arrived. 打卡上班 They arrived to clock on and found the factory gates locked. 他們到了就去打卡上班,結果發現工廠大門鎖了。 返回 clock on