take a knock
成語所屬單字knock
take a knock — 慣用語
1. to be damaged or badly affected by a difficult experience or event
1.慣用語
釋義
受到打擊（信心、經濟等因負面事件而受損）
to be damaged or badly affected by a difficult experience or event
例句
Her confidence took a knock after she failed the driving test for the third time.
The local economy took a serious knock when the factory closed down last year.