衰退的已失效的fail: vi. 1.失敗,不及格 (opp. succeed, ...a failed execution: 劫后余生a failed expedition: 失敗的旅行answer failed: 應答失敗cannot failed to: 雙重否定意味著肯定下載手機詞典可隨時隨地查詞查翻譯