pay 同play

pay---〔pei〕 付 ------------冇L音, 用嘴唇噴氣來發音
play---〔plei〕玩耍---------有L音, yuk條利來發音

It is the difference between the L sounds. Pay; the pronunciation should be without L and Play; with L. And the correct pronunction of L is curling your tongue upward and touch outside of your front two teeth.

pay讀音=p/ay(a)

play讀音=p/lay

play有L音架
pay就冇