名詞 idling:

1. having no employment
   同義詞：idleness, loafing

動詞 idle:

1. run disconnected or idle
   同義詞：idle, tick over
2. be idle; exist in a changeless situation
   同義詞：idle, laze, slug, stagnate

1. If you leave your car idling away outside the house for an hour or more, you will burn more petrol than you think.
   如果你讓汽車在室外不熄火一個(gè)小時(shí)或更長時(shí)間，車子耗油量會比你想像的要大。
2. He is a very active sort of person and cannot bear to see others idling about.
   他是那種積極肯干的人，看不慣別人懶懶散散。
3. Stop idling and help me clean up.
   別游手好閑的，來幫我打掃打掃吧。
4. He lost his job and was idling around the whole day long.
   他失業(yè)了，整日無所事事。