(informal)stop or refrain from talking
(非正式)不吭聲，住嘴
(informal)initiate an action or train of events (often used to refer to the ease with which a nuclear war might be started)
(非正式)發(fā)動(dòng)（事件）（常用來(lái)形容發(fā)動(dòng)核戰(zhàn)爭(zhēng)多么容易）
(informal)arouse or provoke a reaction of someone
(非正式)引起反應(yīng)
don't allow co-workers to push your buttons.
別讓你的同事?tīng)恐愕谋亲幼摺?/p>
(informal)complete or conclude something satisfactorily
(非正式)圓滿結(jié)束
trying to button up a deal.
試圖做成一筆交易。
[often as adj. buttoned]repress or contain something
壓制（或控制）的
it was repressive enough to keep public opinion buttoned up.
彈壓民意真是太專制了。
Exactly; precisely.
準(zhǔn)確；確切