我有时被人说成是一个装模作样的人。

I am sometimes accused of being a poseur.

《柯林斯英汉双解大词典》

我看出他是个装模作样的人。

I can tell he a poseur.

youdao

你打赌大的时间钱，但是你是确定他们自己的那些厉害的装模作样的人之一。

You bet big time money, but you are one of those cool dudes who are sure of themselves.

youdao

If,when we interpret the claim everyone dies alone, that just ends up being a slightly pretentious way of saying everyone dies, we might say,oh yeah,that is true and it is a necessary truth, but it's not especially surprising.

如果我们对每个人都孤独而死的诠释，只是装模作样地说明人终有一死，那我们会说，这是真理，也是必要的，但并没有什么好惊奇的。

耶鲁公开课 - 死亡课程节选