How to pronounce 玩嘢 in Cantonese (2 out of 4):

玩嘢
You're playing.

Cantonese Sentence Breakdown

nei5
you (informal, as opposed to courteous 您nín [您])
can be used to refer to an unspecified person
玩嘢 waan2 je5
playing tricks; causing trouble
haa1
(particle equivalent to 啊 after a vowel, expressing surprise or doubt)