adj.无意义的;空闲的;懒惰的;无根据的;
vi.虚度;空转;挂空挡;未熄火;
vt.虚度;使空转;
例句:
Don't idle away your precious time.
别闲磨大好时光!
Don't let state funds lie idle.
不要积压国家资金.
When you are used to physical labour, you feel uncomfortable if you're idle.
劳动惯了, 闲着就不舒服.