... keep quiet 保持安静；肃静 keep something quiet对某事保密；隐瞒某事 on the quiet [略作 on the q.t. 或 Q.T.][口语]私下里；暗地里；秘密地；偷偷摸摸地 ...
2
?隐瞒某事
... keep quiet 保持安静；肃静 keep something quiet 对某事保密；隐瞒某事 on the quiet [略作 on the q.t. 或 Q.T.][口语]私下里；暗地里；秘密地；偷偷摸摸地 ...
3
?使一个秘密
keep something quiet;make a secret of 的翻译是:保持一种安静;使一个秘密。 [翻译] You may be able to make a claim and recover damages, including attorney’s fees and costs.
But until recently, it was something to keepquiet about. No longer.
以前做了整形手术还要保持低调，但是现在再也不必如此了。
2
Please keepquiet! I've something important to tell you.
请保持安静！我有要事告诉你。
3
If I want to make a complaint about something I'm not happy with, do I usually choose to keepquiet about this rather than admit it for fear of making the situation worse?