choa̍h-ba̍k-bóe縒目尾

to look sidelong or askance

to look sidelong or askance; to look sideways; to tip somebody the wink; to wink at somebody; to give someone a meaningful glance

English Wiktionary, “縒目尾” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E7%B8%92%E7%9B%AE%E5%B0%BE · confidence: Medium (Wiktionary)