cautious的解释，在云词典中cautious是什么意思？

cautious

['kɔ:ʃәs]
adj.
谨慎的, 小心的

"I hope they'll be more cautious in future, " he observed.
他说："我希望他们今后能更慎重一些。"
A cautious gambler.
小心翼翼的赌博者
Cautious in spending money; frugal.
节俭的使用钱财时谨慎的；节俭的
Cautious or dilatory, as in taking action.
谨慎而保守的谨慎的、保守的，如在采取行动中
Felt a cautious optimism that the offer would be accepted.
怀着提议将被接受的谨慎的乐观情绪
Formerly cautious to the point of being uncommunicative, my companions had changed out of recognition.
我们的同伴们过去谨小慎微得几乎不开口说话，可现在他们变得判若他人了。
He was cautious lest he should be discovered by the enemy.
他很小心谨慎，以免被敌人发现。
In dealing with the problem he was cautious to an extreme.
他在处理这个问题时谨慎得过分了。
People might be cautious about believing this statement.
不过人们可能不会轻易相信这种说法。