draw lessons from; guard against making (/repeating)the same mistakes; serve as a grave warning; take warning from
? 全黨同志對(duì)于這幾次驕傲，幾次錯(cuò)誤，都要～。(《毛澤東選集》902) Comrades throughout the Party should take warning from these instances of pride and error.
引為鑒戒yǐn wéi jiān jiè
把以往失誤的教訓(xùn)當(dāng)作今后的鑒戒，以避免再犯類(lèi)似的錯(cuò)誤。learn a lesson, take warning from sth., draw lesson from