consternate['kɔnstə,neit]

• vt.[常用被动语态]使惊恐，使惊讶；使慌乱：

  When he saw the mountain torrents rushing down with a devastating force, he was consternated.

  看到山洪来势凶猛时，他惊慌失色。

• 变形:

  vt.consternated.consternating