粤典 (words.hk)香港词
形容樣貌睇起嚟狡猾奸詐，唔可靠、唔老實 (used to describe a cunning-looking person who is unreliable and dishonest; a shifty-eyed person with a crafty and wily look ; literally 'to have the head of a snake and eyes of a rat')
形容詞蛇頭鼠眼
se4 tau4 syu2 ngaan5收录于 4 本词典
se4 tau4 syu2 ngaan5
· 收录于 4 本词典粤典 (words.hk)香港词
形容樣貌睇起嚟狡猾奸詐，唔可靠、唔老實 (used to describe a cunning-looking person who is unreliable and dishonest; a shifty-eyed person with a crafty and wily look ; literally 'to have the head of a snake and eyes of a rat')
形容詞维基辞典粤语短语
原书拼音: /sɛː²¹ tʰɐu̯²¹ syː³⁵ ŋaːn¹³/
to look ugly and shifty; to be obnoxious in appearance and cunning-looking
粤语辞源: 357_5广州词
原书拼音: se4 teo4 xu2 ngan5
賊頭賊眼。（饒秉才等：2020：376）
参考文献：
- 我看這嚴二～，大非良善之輩。（清·佚名《海公大紅袍全傳》卷十第十回葉二，清道光刊本）
广州方言词典: 588广州词
形容人的相貌，象徵陰險、狡猾