chhâ-ba̍k柴目

lumps on wood or a tree trunk

lumps on wood or a tree trunk; unable to discern things (indicating poor judgement or bad eyesight)

English Wiktionary, “柴目” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E6%9F%B4%E7%9B%AE · confidence: Medium (Wiktionary)