'that so-and-so'; 'that thing', used to refer to someone in a rude way (to express one's dislike for a person) without referring to their name [colloquial]
就係
zau6 hai6
it is; exactly
反
faan3
solemn attitude
左膠
zo2 gaau1
leftists
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See how to write "左膠" with stroke-by-stroke animation