to realize, understand, or discover意识到,明白;发现
[ + that ] He never sussed (out) that they'd tricked him.他一直没有发现自己被他们骗了。 She thinks she's got me sussed (out) (= she thinks she understands me), but she's wrong.她自认为很了解我,但她错了。
I'll visit the college and suss it out before I decide whether to apply or not.我会先去这所大学了解一下情况,然后再决定是否申请这所学校。