1540s, from Latin, literally "let him beware," 3rd person singular present subjunctive of cavere "to beware, take heed, watch, guard against," from PIE root *skeue- "to pay attention, perceive" (cognates: Sanskrit kavih "wise, sage, seer, poet;" Lithuanian kavoti "tend, safeguard;" Armenian cucanem "I show;" Latin cautio "wariness;" Greek koein "to mark, perceive, hear," kydos "glory, fame," literally "that which is heard of;" Old Church Slavonic chujo "to feel, perceive, hear," cudo "wonder," literally "that which is heard of;" Czech (z)koumati "to perceive, be aware of;" Serbian chuvati "watch, heed;" Old English sceawian "to look at" (source of show (v.)); Middle Dutch schoon "beautiful, bright," properly "showy;" Gothic hausjan "hear").
中文解释
Caveat：因为在岩洞偷吃东西而被警告——警告、告诫
实用例句
1. There was one caveat: he was not to enter into a merger or otherwise weaken the Roche family's control of the firm.
有一点需要预先声明：他不得参与合并，或以其他方式削弱罗奇家族对该公司的控制。来自柯林斯例句
2. With the caveat that almost every figure in this survey is suspect, it can at least be said that the world travel and tourism industry is huge.
