Hello, I'm an expert in English idioms and phrases. The idiom "cut the mustard" means to meet the required standard or to perform well enough to continue doing a particular job or activity. When someone says you "cannot cut the mustard," they are suggesting that you are not performing up to the expected level.

Now, let's translate that into Chinese:

你好，我是英语成语和短语方面的专家。成语“cut the mustard”意味着达到所需的标准或者足够好地执行某项工作或活动。当有人说你“cannot cut the mustard”，他们的意思是你没有达到预期的表现水平。

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The modern sense of the idiom is 'to succeed; to have the ability to do something; to come up to expectations', but the phrase is most often used in the negative form, as ��can't cut the mustard,�� meaning 'not able to handle the job'.read more >>