1. caution是名詞，也可以做動詞，用於進行時的時候用cautioning現在分詞形式，用於被動語態時用cautioned過去分詞形式：
Tony was cautioning against misrepresenting the situation.託尼在告誡說不要歪曲形勢。
Tapp was eventually cautioned for wasting police time.最後，塔普因浪費警方時間而受到警告。
The two men were cautioned but police say they will not be charged.那兩個人受到了警告，不過警方說不會對他們提出指控。
2. caution的同源形容詞是cautious形式，放在be的後面作表語：
The scientists are cautious about using enzyme therapy on humans.科學家們對在人身上使用酶療法非常慎重。
The deputy leader is cautious about loosening the links with the unions.該政黨的二把手對疏遠與工會之間關係一事態度謹慎。
1. caution是名詞，也可以做動詞，用於進行時的時候用cautioning現在分詞形式，用於被動語態時用cautioned過去分詞形式：
Tony was cautioning against misrepresenting the situation.託尼在告誡說不要歪曲形勢。
Tapp was eventually cautioned for wasting police time.最後，塔普因浪費警方時間而受到警告。
The two men were cautioned but police say they will not be charged.那兩個人受到了警告，不過警方說不會對他們提出指控。
2. caution的同源形容詞是cautious形式，放在be的後面作表語：
The scientists are cautious about using enzyme therapy on humans.科學家們對在人身上使用酶療法非常慎重。
The deputy leader is cautious about loosening the links with the unions.該政黨的二把手對疏遠與工會之間關係一事態度謹慎。