掩饰 (yǎn shì): Cover up (Verb) — Meaning & Stroke Order

He smiled to hide his nervousness.

She tried to cover her embarrassment with humor.

Far from glossing over his mistake, he proactively admitted it and took responsibility.

Although he tried hard to conceal his inner anxiety, his tightly clenched hands gave him away.

Despite feeling disappointed, he tried to conceal his emotions and maintain a calm expression.

Don't cover it up, just tell me your real opinion about this new proposal.