It is not reliable, it is not cautious.

它不可靠，它不谨慎。

youdao

"We are in some circumstances not cautious enough, " he said.

在某些情况之下我们不够谨慎。

youdao

On the way to the market, she was not cautious and tripped over a rock.

在去市场的路上，她一不小心绊到了石头上。

youdao

"We have to be cautious. Anger against al-Shabab does not necessarily translate into support for Sharif.

VOA: standard.2009.12.23

I think it's a matter of, as a cyclist, being cautious, but also not being afraid.

我想作为一个骑自行车的人，这是自己小心的问题，但是也不必害怕。

我使用自行车 - SpeakingMax英语口语达人

You're sticking your head in the sand if you're not cautious right now.

CNN: WATCHING WALL STREET

Residual aversion to the gold standard tags you as not merely cautious but clueless.

FORBES: The Secret to Victory: Feed The Opportunity, Starve The Problem

Why then were bankers not more cautious, given the risks to their own wealth?

ECONOMIST: Bank incentives are all wrong