cautions
n. 注意事项；警告；警语（caution 的复数）
v. 告诫；使小心（caution 的三单形式）
例句
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。
《牛津词典》
"Be sure the cue is clear and available," he cautions.
他警告说：“要确保线索清晰可用。”
"But be sure the cue is clear and available," he cautions.
他警告说：“但要确保线索清晰可用。”
