against your better judgment
US /əˈɡɛnst yʊər ˈbɛtər ˈdʒʌdʒmənt/
UK /əˈɡɛnst yʊər ˈbɛtər ˈdʒʌdʒmənt/

1.
違背自己的判斷, 明知故犯
despite knowing or feeling that something is probably wrong or unwise
:
•
I went against my better judgment and lent him the money.
我違背了自己的判斷,把錢借給了他。
•
She knew it was a bad idea, but she did it against her better judgment.
她知道那是个壞主意,但她還是違背了自己的判斷去做了。