laa4 知 唔 知 aa3
laa4 zi1 m4 zi1 aa3
sfp v adv:neg v fil
laa4 知 唔 知 aa3 ?
l a̞˧˩̰ WORD_BOUNDARY ts i˥ WORD_BOUNDARY m̩˧˩̰ WORD_BOUNDARY ts i˥ WORD_BOUNDARY a̞˧ WORD_BOUNDARY
l a a 4 WORD_BOUNDARY 知 WORD_BOUNDARY 唔 WORD_BOUNDARY 知 WORD_BOUNDARY a a 3 WORD_BOUNDARY ? WORD_BOUNDARY