If you describe something that someone does as ill-advised, you mean that it is not sensible or wise.
例句
They would be ill-advised to do this...他们这样做是不明智的。She said Mr Baker's remarks had been ill-advised...她说贝克先生的那番话是欠考虑的。
英英词典释义
Adjective
1. without careful prior deliberation or counsel;
"ill-advised efforts""it would be ill-advised to accept the offer""took the unadvised measure of going public with the accusations""ill-advised efforts"