Liǎng duì zhēndāo-zhēnqiāng de bǐsài, háobù shǒuruǎn.
The two teams played for real - no holding back.
Tips
usage
Signals genuine, serious, uncushioned action. Common in sports commentary, workplace talk, and exam contexts (真刀真枪的考试, a real test, not a drill). Often adverbial: 真刀真枪地 + verb. Contrast with 纸上谈兵 (armchair strategy) and 花架子 (showy but empty).
memory
Pattern 真X真Y - doubling 真 ("real") hammers home authenticity. Same shape in 真心真意 (sincere heart and mind). The 刀/枪 pair here is just stock-martial shorthand for "the real deal".