長時間ちょうじかんchoujikan長ちょう時じ間かん長ちょう時じ間かんShow answer(Space)Suspend(@)長ちょう時じ間かん長ちょう時じ間かんchoujikanCommonRelative commonness of this word, based on various sources (incl. newspapers)CommonAdv. nounAdverbial noun (fukushitekimeishi)Adv. nounNoun (temporal)Noun (temporal) (jisoumeishi)Noun (temporal)long time長ちょう時じ間かん長ちょう時じ間かんchoujikanlong timeWhat does 長時間 mean in English?long time(n-adv, n-t)Search the picture dictionary for 長時間