动词
中文翻译：Unknown
同义词：
['soften', 'soften', 'mellow', 'mellow out例句：1. The meat was unhardened before it was cooked.（肉在烹饪前是未变硬的。）2. The wine has unhardened over the years.（这酒经过多年后变得更加柔和了。）']
例句：
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1. The meat was unhardened before it was cooked.
肉在烹饪前是未变硬的。
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2. The wine has unhardened over the years.
这酒经过多年后变得更加柔和了。
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3. She unhardened her voice to make a more soothing sound.
她使声音变得柔和，以发出更悦耳的声音。