短语
中文翻译：咬紧牙关
同义词：
['persevere', 'grit your teeth']
例句：
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1.He gritted his teeth and kept going despite the pain.
他咬紧牙关，尽管疼痛，仍然继续前进。
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2.She gritted her teeth and managed to finish the project on time.
她咬紧牙关，成功地按时完成了这个项目。
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3. Despite the challenges, he gritted his teeth and achieved great success.
尽管面临挑战，他咬紧牙关，取得了巨大的成功。