Be cautious of scams when shopping online.

在网上购物时要小心欺诈。

Be cautious in public places, walls have ears.

在公共场合要谨慎，隔墙有耳。

Miners must be cautious of firedamp in coal mines.

矿工们必须小心煤矿中的瓦斯。

Be cautious when diluting muriatic acid with water.

用水稀释盐酸的酸时要小心。

Be cautious when downloading apps to avoid spyware.

下载应用程序时要小心，以避免间谍软件。

Diabetic patients need to be cautious to avoid acidosis.

糖尿病患者需要注意避免酸中毒。

Pedestrians must be cautious when crossing busy streets.

行人在穿越繁忙街道时必须小心。

Pregnant women should be cautious to avoid toxoplasmosis.

孕妇应谨慎以避免弓形虫病。

The website looks legit, but you should still be cautious.

这个网站看起来是合法的，但你仍然应该保持谨慎。

Investors should be cautious when buying overvalued assets.

投资者在购买被高估的资产时应保持谨慎。