乐此不疲 lècǐ-bùpí to enjoy something and never tire of it
(idiom) to enjoy something and never tire of it
怎么记住“乐此不疲”: 乐 cheerful + 此 this + 不 not + 疲 weak = to enjoy something and never tire of it.
汉字
用法
- To never tire of doing something you love - 他研究昆虫，乐此不疲 (tā yánjiū kūnchóng, lècǐ-bùpí) he studies insects tirelessly, never bored of it.
- Describes absorbed, willing repetition of a hobby or task; the tone is admiring or gently amused.
- 此 (cǐ, this) points back to the activity just mentioned, so it usually follows a stated action.