Leave…alone
1) leave sb alone=let sb alone 不打扰，
不管，别惹
The film star asked to be left alone but the press photographers
followed her everywhere
2) leave sth alone=let sth alone 不碰
I have told you before, leave my thins alone
3) leave sth alone 别管某事
It is not your problem, so why don’t
you just leave it alone ? 拓展 leave 剩下；听任（让） Leave for 动身去?
Leave behind 忘记带；把?拉下；落后Leave out 省去，不考虑 Leave aside不考虑
Set aside/set (put,leave)sth aside 1）留做?用，为?节省（钱或时间）
Try to set aside half an hour every day for something you really enjoy doing
