How to pronounce 低頻 in Cantonese (2 out of 5):

高中低頻分唔分明呀
High school low frequency is a mystery.

Cantonese Sentence Breakdown

高中 gou1 zung3
high school
低頻 dai1 pin4
low frequency
fan6
fraction
extent of one's duty or rights
component
content
element
a portion
a share
exceptionally
status
capacity
excessive
ng4
oh (expression of agreement or surprise)
(Cantonese) not
to hold in mouth
to bite
分明 fan1 ming4
distinct
haa1
(particle equivalent to 啊 after a vowel, expressing surprise or doubt)