摆架子

There are no frills about him.

他不摆架子。

Despite her fame she remained the modest, unassuming person she had been as a student.

尽管有名，她仍然是一廉逊，不摆架子的人，就象她以前当学生时那样。

If you do not talk down to a child, it will assuredly talk up to you.

如果你对一小孩子说话不摆架子, 他一定会对你坦白。