动词短语
中文翻译：为
同义词：
['hide', 'cover', 'disguise', 'conceal', 'camouflage例句：1. She covered up hertears with a smile.（她用微笑掩盖了眼泪。）2. The police were covering up thecrime scene to prevent further investigation.（警方正在掩盖犯罪现场，以防止进一步的调查。）']
例句：
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1. She covered up hertears with a smile.
她用微笑掩盖了眼泪。
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2. The police were covering up thecrime scene to prevent further investigation.
警方正在掩盖犯罪现场，以防止进一步的调查。
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3.He tried to cover up his mistakes bymaking excuses.
他试图通过找借口来掩盖自己的错误。