Translation

• stealthily
• secretly
• covertly
• furtively
• on the sly

Synonyms

• 一声不响, 不动声色, 不可告人, 不声不响, 不露声色, 体己, 偷, 偷偷摸摸, 冷, 幕后, 悄悄, 悄悄的, 探头探脑, 暗, 暗中, 暗地里, 暗暗, 暗自, 潜, 私下, 私下里, 私自, 秘而不宣, 背后, 背地里, 贼头贼脑, 骨子里, 鬼头鬼脑, 鬼祟, 鬼鬼祟祟, 默默

Examples

• 我的车被小偷偷走了。
  My car was stolen by a thief.
• 那两个人偷偷溜进了房子里，给人看见了。
  The two men were seen to steal into the house.