caution
n.谨慎;注意(事项)，警告
vt.劝…小心
The physician must exercise caution when prescribing anti-depressants.医师在开抗抑郁药时必须十分谨慎。
cease
n.停止，终止
The things people will do for charity never cease to amaze me(=I am always surprised by them). 人们为慈善事业做的好事总是让我很惊讶。
celebrity
n.名人，名流;著名，名声，名望
a sporting celebrity体育明星
ceremony
n.典礼，仪式;礼节，礼仪
the wedding ceremony婚礼
certain
a.某(种);肯定的;确实的;不可避免的
I felt certain that I’d passed the test.我感觉自己肯定通过这次测验了。
