showing or having caution; careful
"whitewater rafting is not for the timid"
"reserved and cautious; never making swift decisions"
"a cautious driver"
"a conservative estimate"
I was very cautious of touching upon what had happened that morning.
出自： T. Forrest
Inclined to take a cautious view of rumours and suspicions.
出自： D. L. Sayers
Let us buy not just our usual cautious one or two copies; let us take a dozen.
出自： C. Milne