失策

(1)commit a faux pas or a fault or make a serious mistake; "I blundered during the job interview"

(2)不品行または間違いをおかす、または重大な誤りをおかす

(3)be unsuccessful; "Where do today's public schools fail?"; "The attempt to rescue the hostages failed miserably"

(4)失敗する

(1)