on second thought
01
used to state that one has adopted a different opinion
Dialect
American
例子
I almost bought the expensive gadget, but on second thought, I decided to save the money.
to have second thoughts
01
to start doubting a decision and begin to wonder whether it is the right or best thing to do
例子
After accepting the job offer, he had second thoughts about relocating to a new city and leaving behind his friends.



























