争论之后出现了一阵尴尬的沉默。

There was an ___uncomfortable silence after the argument.

许多人在用英语演讲时会感到尴尬。

Many people feel ___uncomfortable when giving a speech in English.

他在座位上动了动，在他们的审视下感到尴尬。

He shifted in his seat, feeling ___uncomfortable under their scrutiny.