用作定语
▲～+n.
 A cautious driver never drives his car too fast.一个谨慎的司机从不开快车。
用作表语
▲S+be+～
Her husband is cautious, never making a swift decision about anything.她丈夫十分谨慎,从不草率作出任何决定。
▲S+be+～+prep.-phrase
 I am cautious of giving offence.我谨防得罪人。
▲S+be+～+to-v
The students are cautious not to make any mistakes in spelling.学生们在拼写时非常小心,以避免出错。

cautious, attentive, careful, precautious
参见careful条。