bite off more than can chew
貪多嚼不爛/心有余而力不足
口語·表示承擔過多任務
英文釋義
to take on more responsibilities or tasks than one can handle
例句
He took on three projects at once and realized he bit off more than he could chew.
典故來源
源自字面意思'咬下太多嚼不動',比喻承擔超出能力范圍的任務。