caution n against小心
caution oneself against error谨防有误
caution sb against警告;翻译
To caution oneself against error谨防有误
caution sb against doing sth告诉某人不要做某事
caution against doing sth警告不要做某事
caution against the danger谨防危险
caution against specific faults警告
Caution against a person对某人谨慎