ulterior 英 [ʌl'tɪəriə(r)] 　美 [ʌl'tɪriər]

基本释义：

This is an adjective which means being concealed on purpose or something.

adj.隐秘的；别有用心的；将来的；进一步的；遥远的

例句：

1.There was no ulterior motive in his proposal.
他的建议里没有不可告人的动机。
2.I want to know what is our ulterior action.
我想要知道下一步的行动是什么。