adj [attrib 作定语] (fml 文) beyond what is obvious or admitted 隐秘的; 别有用心的
*This lever must serve some ulterior purpose. 这撬棒准是用于不可告人的目的的.
* Jim had ulterior motives in buying me a drink he wants to borrow my van. 吉姆请我喝酒是另有所图--他想借用我的客货车.
[Date: 1600-1700; Language: Latin;Origin:'farther', from ulter 'in a position beyond', from uls 'beyond']
ulterior motive/purpose etc
a reason for doing something that you deliberately hide in order to get an advantage for yourself
He's just being nice. I don't think he has any ulterior motives .
1. There was no ulterior motive in his proposal. 他的建议里没有不可告人的动机。