掩盖 (yǎn gài): 隠す

He tried to conceal his nervousness with laughter, but his fingers kept tapping the table, and his colleagues still noticed.

After this company was exposed for financial fraud, senior management held an emergency meeting to discuss how to conceal the facts and keep the media from learning the truth.

The heavy snow covered the fields and roads, turning the whole village into a vast white expanse, so that even the rooftops could no longer be seen.

Mom always concealed the hardships of life with a smile, until one day I woke up in the middle of the night and discovered her crying alone in the kitchen.