来 开始 讲 吧
lai2 kai1shi3 jiang3 ba
co v v sfp
来 开始 讲 吧 .
l ai̯˧˥ WORD_BOUNDARY kʰ ai̯˥ ʂ ɻ̩˧˩˧ WORD_BOUNDARY tɕ j a˧˩˧ ŋ WORD_BOUNDARY p a WORD_BOUNDARY 
来 WORD_BOUNDARY 开 始 WORD_BOUNDARY 讲 WORD_BOUNDARY 吧 WORD_BOUNDARY