lit. short-weaponed soldiery fight one another (idiom); fierce hand-to-hand infantry combat
to fight at close quarters
Definitions (粵典–words.hk)
名詞
表示戰況/爭鬥嘅情況非常激烈同凶險 to present the situation where conflict gets extream; literally to fight a close combat with short weapons
兩軍對疊，短兵相接。
两军对叠，短兵相接。
The two army is fighting an extreamly dangous and closebattle.
郭小姐同毛小姐為咗爭男朋友，今日終於都要短兵相接，來個了斷。
郭小姐同毛小姐为咗争男朋友，今日终于都要短兵相接，来个了断。
Miss Kwok and Miss Mo fight each other vicously for the right to date a man.
Definitions (Wiktionary)
phrase, idiomatic
to fight hand to hand; to be in close combat
在這樣日益走向尖鋭的短兵相接的階級鬥爭的形勢之下，無產階級要取得勝利，就完全要靠他的政黨——共產黨的鬥爭策略的正確和堅決。
在这样日益走向尖锐的短兵相接的阶级斗争的形势之下，无产阶级要取得胜利，就完全要靠他的政党——共产党的斗争策略的正确和坚决。
zài zhè yàng rì yì zǒu xiàng jiān ruì de duǎn bīng xiāng jiē de jiē jí dòu zhēng de xíng shì zhī xià ， wú chǎn jiē jí yào qǔ dé shèng lì ， jiù wán quán yào kào tā de zhèng dǎng — gòng chǎn dǎng de dòu zhēng cè lüè de zhèng què hé jiān jué ． In a situation when the class struggle grows increasingly acute and is waged at close quarters, the proletariat has to depend for its victory entirely on the correct and firm tactics of struggle of its own party, the Communist Party.
Examples (粵典–words.hk)
Cantonese
两军对叠，短兵相接。
兩軍對疊，短兵相接。
The two army is fighting an extreamly dangous and closebattle.
Miss Kwok and Miss Mo fight each other vicously for the right to date a man.
Examples (Wiktionary)
Mandarin
在这样日益走向尖锐的短兵相接的阶级斗争的形势之下，无产阶级要取得胜利，就完全要靠他的政党——共产党的斗争策略的正确和坚决。
在這樣日益走向尖鋭的短兵相接的階級鬥爭的形勢之下，無產階級要取得勝利，就完全要靠他的政黨——共產黨的鬥爭策略的正確和堅決。
zài zhè yàng rì yì zǒu xiàng jiān ruì de duǎn bīng xiāng jiē de jiē jí dòu zhēng de xíng shì zhī xià ， wú chǎn jiē jí yào qǔ dé shèng lì ， jiù wán quán yào kào tā de zhèng dǎng — gòng chǎn dǎng de dòu zhēng cè lüè de zhèng què hé jiān jué ．
In a situation when the class struggle grows increasingly acute and is waged at close quarters, the proletariat has to depend for its victory entirely on the correct and firm tactics of struggle of its own party, the Communist Party.