HSK 7-9
南辕北辙
nányuán-běizhéto act in a way that defeats one's purpose (idiom)
这种做法与目标南辕北辙。
Zhèzhǒng zuòfǎ yǔ mùbiāo nányuánběizhé.
This approach runs completely counter to the goal.
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Appears across levels (7-9) in the HSK 3.0 word list.