0 to give an answer to a particular question when you do not have all the facts and so cannot be certain if you are correct -- 猜测，推测，估计
[ + (that) ] I guess (that) things are pretty hard for you now. 我想你现在的日子很不好过吧。
"You have a new job, don't you?" "Yes, how did you guess?" “你换新工作了，是不是？”“对呀，你怎么猜出来的？”
[ + question word ] I bet you can't guess how old he is. 我打赌你猜不出他多大了。
I guessed the total amount to be about £50,000. 我估计总额约为5万英镑。
[ + (that) ] I guessed (that) she was your sister. 我猜她是你妹妹。
[ + question word ] Guess when this was built. 猜一猜这是什么时候建造的。
1 an attempt to give the right answer when you are not certain if you are correct -- 猜测，推测
"So what's going to happen now?" "That's anyone's guess." “那现在又会发生甚么呢？”“那谁知道。”
"I wonder why she's not here." "My guess is that her car has broken down." “我纳闷她为什么不在这儿。”“我猜她的车抛锚了吧。”
Both teams made some wild guesses (= made without much thought), none of which were right. 两个队都是瞎猜一通，没有一个猜对的。
Go on - have/make a guess. 来啊——猜一猜嘛。
Effects of prior guessing on intentional and incidental paired-associate learning.
Patterns and perils of guessing in second language reading.
In short, guessing from context has serious limitations.
Post-hoc tests showed that the six- to seven-year-olds guessed fewer correct phonemes than all other groups.
However, guessing is not so simple for large programs where higher-order functions (such as map) are called repeatedly with different higher-order arguments each time.
From guessing what teachers think to finding out what teachers know.
Users do not just make guesses based on frequency of word combinations.
I sat through rehearsal after rehearsal trying to think ahead of her and guessing what the next instruction would be.
