不亦樂乎 [－－乐－]

Jyutping bat1 jik6 lok6 fu4
Pinyin bù yì lè hū

Definitions (CC-CEDICT)
  1. lit. isn't that a joy? (quote from Confucius)
  2. fig. (jocular) extremely; awfully
Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. phrase, idiomatic
    Isn't it a pleasure (to ...)?
  2. phrase, idiomatic
    to a great extent; extremely; very; awfully
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）
Definitions (HSK3.0)
  1. HSK3 七一九级词汇表 #261
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    有朋自远方来，不亦乐乎？
    有朋自遠方來，不亦樂乎？
    yǒu péng zì yuǎn fāng lái ， bù yì lè hū ？
    • When a friend comes from afar, is that not delightful?
Examples (Wiktionary)
  1. Mandarin
    […[[#Chinese|]]]，正是这些极具挑战性的特征，极大地激发了广大师生积极参与的热情，让众多的OIer沉迷其中，不亦乐乎。
    […[[#Chinese|]]]，正是這些極具挑戰性的特徵，極大地激發了廣大師生積極參與的熱情，讓眾多的OIer沉迷其中，不亦樂乎。
    … ， zhèng shì zhè xiē jí jù tiǎo zhàn xìng de tè zhēng ， jí dà dì jī fā le guǎng dà shī shēng jī jí cān yù de rè qíng ， ràng zhòng duō de ＯＩｅｒ chén mí qí zhōng ， bù yì yuè hū ．
    • […], and it's these very challenging features that greatly arouse the enthusiasm of many students and teachers alike for participating, and allow participants in informatic olympiads to indulge in their activities.