dissuade
/dɪˈsweɪd/If you dissuade someone from doing or believing something, you persuade them not to do or believe it. 劝阻
verb [vt. 及物动词] 劝阻，劝止
Doctors had tried to dissuade patients from smoking. 医生曾试图说服病人不要抽烟。
dis (不) + suade (建议) → 建议不要做 → 劝阻
