How to pronounce 流失 in Cantonese (8 out of 9):

黨員一批一批咁流失
Party members went missing in groups.

Cantonese Sentence Breakdown

黨員 dong2 jyun2
party member
一批 jat1 pai1
A batch
gam3
so (Cantonese)
Mandarin equivalent: 这样zhèyàng [这样], like this
流失 lau4 sat1
to lose