Some cautions must be mentioned—for example good tools are essential to do the job well.

有些警告一定得说，如：工欲善其事，必先利其器。

Cautions Robert D. Enright, PhD.

罗伯特·d·恩赖特博士警告道。

"Let people earn a real wage," she cautions.

“让人们真正有的赚，”她警告说。

"Mice are mice and man is man," he cautions.

他警醒我们：“白鼠是白鼠，人类是人类。”

One diplomat cautions against being overly cynical, however.

然而，某位外交官警告不要过分悲观。