chù-chù-siūⁿ註註想

to be lost in thought

to be lost in thought; to meditate

English Wiktionary, “註註想” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E8%A8%BB%E8%A8%BB%E6%83%B3 · confidence: Medium (Wiktionary)