犬牙差互 | unevenly interlocked like dog's teeth

quǎn犬yá牙chà差hù互

Describes terrain or boundaries that are uneven, jagged, and interlocking, much like a dog's teeth.

这片山区的边界线犬牙差互，给勘测带来了不少困难。

The boundary lines of this mountainous region are jagged and interlocking, presenting many difficulties for surveying.

Era:

Ancient

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