kek-khò͘-khò͘激怐怐

to play the fool

to play the fool; to act dumb or stupid; to play dumb

English Wiktionary, “激怐怐” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E6%BF%80%E6%80%90%E6%80%90 · confidence: Medium (Wiktionary)