People should be humble when successful, not only should adhere to the style of modesty and eagerness to learn when frustrated.

人不仅应在成功时懂得谦虚，更应在挫败时坚持谦逊好学的风格。

youdao

"I do think that he gets genuinely angry and frustrated and unhappy when a village is bombed accidentally or whatever.

VOA: standard.2009.08.03

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

Use the "I'm frustrated" pattern to express yourself when you feel stifled,

当你觉得很压抑的时候，你可以使用“I'm frustrated”句型。

I'm frustrated 课堂 - SpeakingMax英语口语达人

And even when he returned to fitness he was then left frustrated when a handful of games were postponed because of the snow late last year.

BBC: James Hanson

People only protest when they are frustrated and the normal processes are not working.

FORBES: The "Occupy Wall Street" Communications Gap

When you feel frustrated, depressed, or disappointed, don't give up -- just get some perspective.

CNN: To reach the top, do what others won't