Cantonese Sentence Breakdown
you (informal, as opposed to courteous 您nín [您])
can be used to refer to an unspecified person
school
military officer M: 所suǒ [所]
sentence-final particle, contraction of "嘅呀" (Cantonese), to express doubt
reservation
emphasis
disapproval
see also 嘅kài [嘅]
a final particle to express surprise
agreement
disagreement
tone of reminder or emphasis
when quoting words said by others