名詞 idler:

1. person who does no work
   同義詞：loafer, do-nothing, layabout, bum

形容詞 idle:

1. not in action or at work
   同義詞：idle
2. without a basis in reason or fact
   同義詞：baseless, groundless, idle, unfounded, unwarranted, wild
3. not in active use
   同義詞：idle, unused
4. silly or trivial
   同義詞：idle, light
5. lacking a sense of restraint or responsibility
   同義詞：idle, loose
6. not yielding a return
   同義詞：dead, idle
7. not having a job
   同義詞：idle, jobless, out of work

1. A young idler, an old beggar.
   少壯不努力，老大徒傷悲。
2. I have no time for idlers.
   我討厭游手好閑的人。
3. The idler idles away the hours watching TV.
   那個游手好閑的人把時間浪費在看電視上。
4. I can't expect help from the idler.
   我不能指望那個懶惰者的幫忙。