【音】(sing or play in time)保持合拍
(indicate the beat)打拍子；打节奏
As he sang he kept time on a small drum.他边唱边敲小鼓打拍子。
55.to lose time
(fall behind)浪费时间；耽误时间
They lost time through not having a backup plan ready.他们由于没有备用计划而耽误了时间。
(clock)(钟表)走得慢
If your watch is losing time, it's a good indication that your battery is at the end of its life.如果你的手表越走越慢, 就很可能意味着你的电池寿命到头了。