How to pronounce 等一陣 in Cantonese (4 out of 5):

等一陣
Wait a minute.

Cantonese Sentence Breakdown

nei5
you (informal, as opposed to courteous 您nín [您])
can be used to refer to an unspecified person
等一陣 dang2 jat1 zan6
wait for a while
la5
“now”, with an connotation of doubt
surprise
disapproval