pretend/ prɪ'tεnd /

1.vt.
to pretend to do sth/pretend that... (make believe) 假装做某事/假装…

The children were pretending to be pirates.
孩子们扮成海盗。
She can sunbathe and pretend she's in Spain.
她能照日光浴,想像着她是在西班牙。
2.vi.
假装

I don't pretend to understand it
我不会不懂装懂的