单词tight-lipped
adj.: 口紧的；缄口不语的；守口如瓶的；双唇紧闭的（尤指因生气）
网络: 嘴紧；紧闭嘴巴；沉默寡言的
口紧的；缄口不语的；守口如瓶的:
not willing to talk about sth
双唇紧闭的（尤指因生气）:
keeping your lips pressed firmly together, especially because you are angry about sth
紧闭嘴巴的
adj.silentuncommunicativereticentwithdrawntaciturn
adj.loquacious
But the typically tight-lipped fund, known as GIC, continued to leave some key data under wraps.
但这只通常守口如瓶的基金还是没有公布一些关键数据。
Former shareholders remain tight-lipped about how much they lost and the ultimate settlements were never made public.
前股东们至今仍咬紧口风，拒不透露各自亏损金额。最后达成的和解协议也一直没有公开。
Brian: Oh you"re putting me in a difficult situation now. I wanted to tell you but I also promised I would stay tight- lipped .
唉呦，你让我好为难。我很想告诉你，可是我也答应会守口如瓶的。
The company spokesperson remained tight-lipped about the arrangement for the takeover, and she refused to give out any information.
公司发言人对兼并一事的安排保持沉默，她拒绝提供任何信息。
She sensed Lisa looking at her, and gave her a tight-lipped but understanding look.
她感觉到身上丽莎的目光，抿紧双唇用领会的眼神回望了她。
A tight-lipped man seems to be on the up-and-up.
不开腔的人看起来很老实。
President Kao, however, did not agree with this frivolousness ; he sat tight-lipped and unsmiling to show his disapproval.
高校长深不以这种轻薄为然，紧闭着嘴不笑，聊示反对。
RIM officials at the time were tight-lipped about the tablet"s expected battery life, saying only that it would be more than an hour.
RIM官方当时对于平板电脑的理想电池寿命守口如瓶，只表示其运行时间可超过1个小时。
Most world leaders have been fairly tight-lipped about the deal, given that their economies are so dependent on the U. S. market.
世界上大多数领导人考虑到他们经济对于美国市场的过分依赖，对于这个法案都绝口不谈。
It would be a terrible tragedy if the Times became as tight lipped in social media as many of their competitors have lately.
如果《纽约时报》在社会化媒体方面也和很多竞争对手那样缄默不语，那简直是个灾难。