cautioned什么意思？

caution: [ 'kɔ:ʃən ]

n. 小心,慎重,警示
v. 警告

词形变化:
动词过去式:cautioned 过去分词:cautioned 现在分词:cautioning 第三人称单数:cautions

例句与用法:
1. He told us to proceed with caution.
他要我们谨慎行事。

2. Always he sought someone to whom he could talk without caution.
他一直在找一个能够随便谈谈的人。

3. I must caution you against the danger.
我必须告诫你应谨防危险。

4. Proceed with caution.
小心行事.

5. We were cautioned not to drive too fast.
人家提醒我们车不要开得太快.

6. You should exercise extreme caution when driving in fog.
在雾中开车要极为小心.

7. I would caution against undue optimism.
我奉劝不要过於乐观.

8. We urged caution.
我们特别提出要小心谨慎.

英英解释:
名词caution:

1. the trait of being cautious; being attentive to possible danger
同义词：cautiousness, carefulness

2. a warning against certain acts
同义词：caveat