frustration /frʌˈstreɪʃn/ n. 令人懊丧(或懊恼、沮丧)的事物:

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例句/词组:

Every job has its difficulties and frustrations. 每个工作都有困难和令人懊恼之处。

英语解释：

something that causes you to feel frustrated • 令人懊丧(或懊恼、沮丧)的事物: