Have a purpose, intentionally is to cover up the truth.

有目的的故意，都是为了掩盖真相。

youdao

In my view, very difficult for them to cover up the truth.

在我看来，他们很难掩盖事实真相。

youdao

Most of us lie to cover up a sin, or to take advantage, or to make ourselves look better, or to spare others the hurt of knowing the truth.

大多数人会掩藏过失、去利用谎言、让自己看起来更不错，或者为了不伤害别人而隐瞒真相。

youdao

However,Republicans and Democratic opponents said the resolution itself was biased, asserting that by passing it the House would be demonstrating it wants to cover up the truth about actions in Gaza by both Hamas and Israel.

VOA: standard.2009.11.04

When asked about the perception that, when things did go wrong, police officers tended to react by wanting to cover up the truth, Sir Hugh said that culture had "changed hugely".

BBC: UK police service 'transparent', says Sir Hugh Orde

But as the layers of official fabrication were peeled away to reveal the bitter truth, the Russian Navy dreamt up another theory to cover its embarrassment: the Kursk had been struck by a foreign vessel.

BBC: Analysis: Kursk cover-up

Regardless of how well the truth is known around the world nobody will be able to cover it up, nor anyone can deny it.

BBC: Milosevic defence transcript