m2 知 唔 知 aa3
m2 zi1 m4 zi1 aa3
co v adv:neg v sfp
m2 知 唔 知 aa3 ?
m̩˧˥ WORD_BOUNDARY ts i˥ WORD_BOUNDARY m̩˧˩̰ WORD_BOUNDARY ts i˥ WORD_BOUNDARY a̞˧ WORD_BOUNDARY
m 2 WORD_BOUNDARY 知 WORD_BOUNDARY 唔 WORD_BOUNDARY 知 WORD_BOUNDARY a a 3 WORD_BOUNDARY ? WORD_BOUNDARY