不亦乐乎

Explanation: Almost: classical rhetorical questions or used as a modal particle, where the equivalent of "you." Used to represent the extreme, very, vividly meaning. 　　Usage: Partial official; as Complement; describe the action to the extreme point of the state 　　Source: Pre Confucius "The Analects": "There are friends from afar?" 　　Examples: Hey, it could be true also ~ yelled. (Guo "Qu Yuan" Act V) Thesaurus:  conduct a desperate fight; fight to the last ditch; fight to the death, buckle with, decided to fight to death, repulse attacks, a bath of blood fight bravely, back sea-fight Antonym Group:  once it is started,go through with it; In for-penny in for a pound, Fight dog, fight bear., press forward with indomitable will, world `over in any place in the world, with indignation written on one's face, honour permits no turning back, whole, all, Battling, slug it out, completely, ever, go well up to bridle, bellyful, everyplace, completely, a cornered beast will still fight, be tenacious of one's opinion, at one's last `gasp making one's final effort or attempt before exhaustion or death, muster up courage ahead, flier, totally, complete, execute (a plan) Had [would] as lief ...as change into, Ting and take risks, decidedly, Angtou stride, prance, dancing and skipping with joy, die impenitency, State Economic Creek burn, Miecizhaosi, D-gives courage to a coward., on one's own undertake, come from the shoulder, Despair gives courage to a coward, Qiongshunieli, Tired and do not change education, a large number of heroes competition, Fight back City, put up a desperate struggle, Negative risk adherence, put up a last-ditch resistance, desperation, Collar deer take the risk, contumacy ever, Of hardened, coffin