ulterior

形容词 ulterior:

1. lying beyond what is openly revealed or avowed (especially being kept in the background or deliberately concealed)- Bertrand Russell
   同义词：subterranean, subterraneous
2. beyond or outside an area of immediate interest; remote- G.B.Shaw
3. coming at a subsequent time or stage
   同义词：future, later

1. This lever must serve some ulterior purpose.
   这撬棒准是用於不可告人的目的的。
2. 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。