我坐在那儿，感到局促不安的是，如果我的妻子先离我而去，我也会象他这样吗？

I sat there, feeling awkward—was this what it would be like if my wife should die before me?—but curious, too.

youdao

她在陌生的环境中感到局促不安。

She felt uneasy in the unfamiliar surroundings.

《牛津词典》

当我们穿着不合身的衣服或者在参加活动时觉得自己穿得过于隆重或过于随意时，自然会感到局促不安，甚至感到有压力。

When we wear ill-fitting clothes, or feel over-or under-dressed for an event, it's natural to feel self-conscious or even stressed.

youdao