There's a hole in the crotch.

裤裆上有个洞。

《牛津词典》

Quaver crotch et and minim are three of the different length of notes in writing music.

八分音符、四分音符和二分音符在乐谱上是不同长度的三个音符。

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In the construction of 3-d garments, the key dimensions of garment panels can be predicated from this mathematical model except for the measurements of shoulder width and upper crotch.

在服装三维造型研究中，与服装关键尺寸相对应的人体尺寸除肩宽与上裆外，可以由人体数学模型估计得到。

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Mr Weiner, who is married, originally claimed that someone had hacked into his Twitter account to post a photo of a man's crotch in grey underpants.

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Michael's actions in later years -- from his serial plastic surgeries, which removed all family resemblance, to his famous crotch-grabbing dance move -- can be seen as lashing out over that abuse, Wanis said.

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What no one dares stop calling the Special Relationship has been defined down the years by images - Ronald Reagan and Margaret Thatcher dancing, George W Bush joking about sharing Colgate with a grinning Tony Blair squeezed into crotch hugging chinos and years later spinning a be-suited and grim-faced Gordon Brown around in a golf buggy.

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