形容词
中文翻译：Unknown
同义词：
['tough', 'stubborn', 'resilient']
例句：
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1. The car is notch-tough, but it still needs regular maintenance.
这辆车很坚固，但仍需定期维护。
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2. He is notch-tough when it comes to solving problems.
他在解决问题上非常固执。
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3. The old house was notch-tough to fix, but we managed to do it.
这座老房子很难修复，但我们还是做到了。