郁闷无奈或极为尴尬的心情to be embarrassed

• 三年前的我，刚参加工作，着实也闹出过不少“懵懂无知”和“天真烂漫”的囧事。

  When I had just started to work three years ago, I found myself in a lot of embarrassing situations because of ignorance and naivety.