Definition
这个成语字面意思是“有什么快乐的事情而不去做呢？”，用来表达做某事既有好处又没有坏处，所以值得做。你通常用它来劝说或鼓励别人接受一个明显有益的建议——相当于“为什么不呢？”。
f.e.
why not? (said when something is clearly beneficial and there is no reason not to do it)
Examples
- ，，何乐而不为？Jì néng xuéxí xīn zhīshi, yòu néng jiéjiāo péngyou, hé lè ér bù wéi?You can both learn new knowledge and make friends—why not?
- ，何乐而不为？Jiānchí duànliàn duì shēntǐ yǒuyì, hé lè ér bù wéi?Persistent exercise is good for your health—why not do it?
- ，何乐而不为？Yòng diànzǐ zhīfù ānquán yòu fāngbiàn, hé lè ér bù wéi?Using e-payment is safe and convenient—why not?
Browse more HSK 7-9 words or search the full 43,000-word dictionary.