动词
中文翻译：偷偷地做某事
同义词：
['stealthily', 'secretly']
例句：
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1. She sneaked into the room without being noticed.
她悄悄地进入房间，没有被注意到。
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2. The thief sneaked past the guard and escaped.
小偷悄悄地从守卫身边溜走并逃跑了。
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3. They snuck in through a back door to avoid being seen.
他们通过后门悄悄进来，以避免被看见。