来 给 妈妈 讲
lai2 gei3 ma1 jiang3
v:dirc prep n:relat v
来 给 妈妈 讲 .
l ai̯ ˧˥ WORD_BOUNDARY k ei̯ ˧˩˧ WORD_BOUNDARY m a ˥ WORD_BOUNDARY tɕ j a ˧˩˧ ŋ WORD_BOUNDARY 
来 WORD_BOUNDARY 给 WORD_BOUNDARY 妈 妈 WORD_BOUNDARY 讲 WORD_BOUNDARY