It was diamond cut diamond when the two men met because they were so sure their own ideas were right.

这两人凑在一块，真是硬碰硬，因为他俩都确信自己的意见是正确的。

《新英汉大辞典》

The two cats challenged each other for the disputed territory -it was a case of diamond cut diamond.

两只猫为争地盘而互相挑战——真是互不相让。

youdao

It was diamond cut diamond when the two men met because they were both so sure their own ideas were right.

那两人一交锋真是棋逢对手，互不相让，因为他们都确信自己的想法是正确的。

youdao

It was designed as a graduated double row of rectangular-cut emeralds, extending a pear and circular-cut diamond fringe, joined by circular and pear-shaped diamond clusters to the circular-cut diamond double row backchain, mounted on platinum.

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These are alternated by two similarly-set diamond flowerheads, each mounted with a brilliant-cut diamond weighing 2.02 and 2.01 cts. to the marquise-cut diamond petals, interspersed by connecting links of pear-shaped fancy vivid and fancy intense diamonds of yellow and orange hues and diamonds of foliate motif.

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The Courageous Spirit collection consists of a one-of-a-kind necklace and a pair of earrings featuring 2.8 carats of rough Bunder diamonds and 25.34 carats of polished Bunder diamonds including a 5.04-carat round brilliant-cut white diamond and a 5.02-carat round brilliant-cut cognac diamond all cut and polished in India.

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