如果标准变成了安全性，就会有更多遵守交通法规、行事谨慎的司机。

If the criterion changed to safety, you would get more cautious drivers who obeyed traffic laws.

youdao

然而，冷静的头脑行事谨慎。

Cooler heads, however, are wary.

youdao

过去，凡涉及到哈梅内伊，内贾德一直行事谨慎。

In the past Mr Ahmadinejad has trodden warily when it comes to Mr Khamenei.

youdao

It used to be thought before people were very careful- we know that they do every terrible thing in the world in the Peloponnesian War.

人们谨慎行事之前曾考虑过,我们知道他们在伯罗奔尼撒战争中,做尽了世上的恶事

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