此男有妻勿勾引此女有夫勿调戏
[cĭ nán yŏu qī wù gōu yĭn cĭ nǚ yŏu fū wù diào xì]
Translating as 'this man has a wife - don’t lure him, this woman has a husband - do not seduce her'. It’s a direct warning or advice against interfering in others' marriages, showing awareness and respect towards commitment.