laa4 知 唔 知 aa3
laa4 zi1 m4 zi1 aa3
co v adv:neg v sfp
laa4 知 唔 知 aa3 ?
l aː ˨˩ WORD_BOUNDARY ts iː ˥ WORD_BOUNDARY m ̩ ˨˩ WORD_BOUNDARY ts iː ˥ WORD_BOUNDARY aː ˧ WORD_BOUNDARY
l a a 4 WORD_BOUNDARY 知 WORD_BOUNDARY 唔 WORD_BOUNDARY 知 WORD_BOUNDARY a a 3 WORD_BOUNDARY