「作案」

(pos:動詞)
<explanation>
yue:從事非法犯罪嘅活動
eng:involved in criminal activity; to commit a crime
<eg>
yue:歹徒作案手法極為殘酷。 (daai2 tou4 zok3 ngon3 sau2 faat3 gik6 wai4 caan4 huk6.)
eng:These gangsters commit crimes in a very violent manner.