Frustrated after hundreds of hours of observation, they one day noticed a woman do with a paper towel what people do all the time: wipe something up and throw it away.

经过数百个小时的观察，他们感到沮丧。有一天，他们注意到一个女人拿着纸巾在做一件人们一直在做的事情：把东西擦干净，然后扔掉纸。

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A wise person once told me that when I'm frustrated with someone or something, it's most likely because there are missing steps.

一个很睿智的人曾经告诉我，当他对一些人或事失意的时候，很多情况下是因为有些步骤被遗漏掉了。

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To vent our frustrations. Sometimes we are just frustrated with something, or are having a bad day, and need to vent that negative anger.

发泄不良情绪： 有时候我们刚好受到一些挫折，或者度过了糟糕的一天，所以我们需要发泄那种负面情绪。

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when you feel upset or when you feel frustrated that something is not going the way that you wish it would.

当你觉得很失落，或者当你因为事情不像你期望的那样进展而感到沮丧时，你也可以使用这个句型。

I'm frustrated 课堂 - SpeakingMax英语口语达人

The question of rounding up terrorists was something that greatly frustrated the former FBI Director Louis Freeh.

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Oracle clearly recognizes the value of owning something as ubiquitous as Java, but is frustrated by its inability to profit from it.

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Frustrated and feeling a need to do something about it, he joined a neighborhood watch group and offered to map crimes that were happening in the area.

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