is stupid that think himself to be somebody.

is stupid that think himself to be somebody.
is stupid that think himself to be somebody.

is stupid that think himself to be somebody.
自以为了不起的人是愚蠢的.
somebody -- 大人物,重要人物.

把自己幻想成别人是多么愚蠢啊

他愚蠢的自以为很了不起。
真正主语是后面的that从句。

觉得自己了不起的人是很愚蠢的

自以为是的人很笨.