It is language intended not to reveal but to conceal, not to communicate but to obfuscate.

用这种语言的意图不是公开而是隐瞒，不是解释而是混淆。

《柯林斯英汉双解大词典》

You tried very hard to conceal it, did you not?

你很努力地想隐藏它，不是吗？

youdao

She sat down to conceal the fact that she was trembling.

她坐下来以不让人看出她在发抖。

《牛津词典》

(SPEAKING) "This is a world of 'communications.' It is no longer possible to conceal the truth.

VOA: standard.2010.03.09

Yeats, in "Adam's Curse," regrets that the beautiful is something to be labored for and he wants to conceal that labor.

他在亚当的诅咒中后悔地称,这种美值得为之劳累,他想隐藏这种劳累。

耶鲁公开课 - 现代诗歌课程节选

The other way is, I toss the coin first and I can conceal the outcome and then I ask, how much would you like to bet?

第二种,我先掷出硬币,然后盖住,问你,你愿意下多少赌注

耶鲁公开课 - 金融市场课程节选

It would not be difficult to conceal a weapon in a shoulder bag, he says.

BBC: Venner suicide at Notre-Dame 'political' - Le Pen

Grown ups learn to conceal their emotions, in the workplace, in social settings, and at home.

FORBES: How to Spot Concealed Emotion - Body Language Quick Take #8

And he also spoke of his struggle to conceal his secret from his Welsh team-mates.

BBC: Gareth Thomas