ostentation /ˌɒstɛnˈteɪʃən/

• 1. 

  N-UNCOUNT If you describe someone's behaviour as ostentation, you are criticizing them for doing or buying things in order to impress people. 卖弄; 炫耀 [正式]

  例：

  On the whole she had lived modestly, with a notable lack of ostentation.

  总体来说，她生活俭朴，不事张扬。