kiu-kiu-koe̍h-koe̍h勼勼狹狹

to be coy and reserved in one's speech

to be coy and reserved in one's speech and actions

English Wiktionary, “勼勼狹狹” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%8B%BC%E5%8B%BC%E7%8B%B9%E7%8B%B9 · confidence: Medium (Wiktionary)