guess

I’d say he’s around 50, but I’m only guessing..我想他50岁左右，不过也只是猜测。

What star sign are you? No, let me guess ..你是什么星座的？别说，让我来猜猜看。

guess what,猜怎么了；猜猜看；猜怎么着

guess who,猜猜是谁

guess at,猜测；估计

at a guess,凭猜测；推测

by guess,凭猜测，推测

educated guess,n. 有根据的推测

make a guess,猜测，猜想

wild guess,胡乱猜想

anybody's guess,难以预料；谁也猜不准的事情