(pos:名詞)
yue:喺後方負責#掩護 本隊同#警戒 嘅#軍隊
eng:(military) rear guard
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<explanation>
yue:負責後方防守嘅足球隊員（量詞：個）
eng:(football/soccer) fullback; defender
<eg>
yue:呢場波佢負責打後衞，做防守工作。 (ni1 coeng4 bo1 keoi5 fu6 zaak3 daa2 hau6 wai6, zou6 fong4 sau2 gung1 zok3.)
eng:He is the defender in this ball game and is responsible for guarding.