undisciplined

adj.

无训练的；训练不足的；无修养的；任性的

1. They are tough physically,but a bit undisciplined.
   他们的身体是挺强悍的，但有些不守纪律。
2. You will pay for your improvident and undisciplined behavior.
   你会为自己轻率任性的行为付出代价的。
3. His talent is raw and undisciplined.
   他的才能是不成熟的，没有受过训练的。

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