Be cautious of scams when shopping online.

在网上购物时要小心欺诈。

Miners must be cautious of firedamp in coal mines.

矿工们必须小心煤矿中的瓦斯。

Pregnant women should be cautious of cytomegalovirus infections.

孕妇应当小心巨细胞病毒感染。

Be cautious of individual privacy when sharing information online.

在网上分享信息时，要注意个人隐私。

The weather bureau advised citizens to be cautious of heavy rain.

气象局提醒市民注意防范暴雨。

Travelers must be cautious of the simoom when crossing the Sahara.

旅行者在穿越撒哈拉沙漠时必须小心西蒙风。

Divers must be cautious of the stonefish when exploring coral reefs.

潜水员在探索珊瑚礁时必须小心石鱼。

Be cautious of phishing emails that ask for your personal information.

小心那些要求提供个人信息的网络钓鱼邮件。

But be cautious of terms that prepare the receiver

应该小心措词使收信人有思想准备，

Also be cautious of supplements manufactured outside of the U.S.

同时我们还应注意进口的营养补充剂，