cautious
单词辨析：
指明智而谨慎的，尤指避免不必要的风险，不贸然行事。
It might be prudent to get your parents' opinions before you make the final decision.
作最后决定之前问问你父母的意见兴许更稳妥。
My suggestion is that you should talk with the prudent house buyers.
我的建议是你应该和谨慎的购房者聊聊。
指非常小心的，力求避免做错事或造成损失。
He is the most careful driver she has ever met.
他是她见过的最谨慎的司机。
The waiter was being very careful with the soap so as not to spill it.
服务生拿汤的时候很小心，怕把汤泼出来。
既可指人谨慎细心的，也可指态度、批评方式等经过仔细考虑的，目的在于避开危险或风险。
He's a cautious driver.
他开车很小心。
All sides have expressed cautious optimism about the announcement.
与会各方都对这项通告表示谨慎乐观。
The government has taken a cautious approach to the crisis.
该政府采取了谨慎的态度处理危机。
相关例句：
The president became more cautious as his popularity dipped.
由于支持率有所下降，总统变得更加谨慎了。
He has been seen as a champion of a more cautious approach to economic reform.
人们一直将他视为主张更为谨慎的经济改革措施的提倡者。
His critics write him off as too cautious to succeed
批评他的人不把他当回事，认为他太过谨慎，不能成事。
A cautious driver never drives his car too fast.
一个谨慎的司机从不开快车。
The policy was rejected in favour of a more cautious approach.
这项政策未被采纳，取而代之的是一项较为谨慎的策略。
The deputy leader is cautious about loosening the links with the unions
该政党的二把手对疏远与工会之间关系一事态度谨慎。