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chronic; crusty; dogged; fossil; as hard as granite; hardset; hard-shell; hard-shelled; headstrong; intractable; mulish; never-say-die; obstinate; pertinacious; piggish; ramstam; rusty; stiff; unbending | |||
heady; impenetrable | |||
self-opinioned | |||
stubborn | |||
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impenitent | |||
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unregenerate | |||
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contumacious | |||
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stubborn |
顽固 的 : 9 phrases in 2 subjects |
Explosives and Explosive Ordnance Disposal | 1 |
General | 8 |