说来话长 說來話長

    shuōláihuàcháng

    1. Idiomstart explaining and it's a long story (idiom); complicated and not easy to express succinctly

    他为什么辞职了?说来话长,一时半会儿说不清楚。Tā wèishénme cízhí le? shuōláihuàcháng, yīshíbànhuìr shuō bùqīngchu.Why did he quit? It's a long story; I can't explain it clearly right away.