Idioms with time Buy time: to do something in order to have more time to achieve something Kill time: spend time by entertaining yourself or doing something that is interesting for you Mark time: 1) to pass the time while you wait for the right opportunity 2) Military: March in one place Time flies: time passes very quickly Time after time (time and time again): very often; again and again Time is money: time is valuable and used productively Tell the time ( US tell time): to be able to read a clock or watch correctly Bide your time: to wait patiently for the right moment to do something Third time lucky (US third time is the charm): used when you are sure to succeed the third attempt because you have failed the previous two attempts