相关单词同义词flag, founder, tube, disappoint, let, down, flunk, 近义词v. fall down, fall through, flop, flunk, default, neglect反义词v.succeed临近词failure, Fahrenheit, Faili, Failly, Failla, faille, Faillu, Failli, Failey, Failde, failed, fail of相似词faggot, faggotry, fah, Fahrenheit, fail-safe, failed, failed state, failing, 返回 fail