乐此不疲

èr shí nián qián tā duì biān cí diǎn chǎn shēng le xìng qù cóng cǐ lè cǐ bù pí

二十年前她对编词典产生了兴趣，从此乐此不疲。

She began to be interested in dictionary-making 20 years ago, and since then has worked at it gladly and never tired.

tā měi tiān zāi huā yǎng yú lè cǐ bù pí

她每天栽花、养鱼，乐此不疲。

She took pleasure in growing flowers and breeding fish every day and never got tired.

tā men yòu jiào yòu hǎn yòu chǎo měi wǎn dōu yào lè cǐ bù pí de nào teng jǐ gè xiǎo shí

他们又叫又喊又吵，每晚都要乐此不疲地闹腾几个小时。

They yell, shout and argue. For several hours a night they go at it, hammer and tongs.