bargain on
phrasal verbbargain for/on something
(usually in negative sentences 通常用于否定句 to expect something to happen and be prepared for it 预料到；料想到 We hadn't bargained for this sudden change in the weather. 我们没有预料到这样的天气突变。 When he agreed to answer a few questions, he got more than he bargained for (= he got more questions, or more difficult ones, than he had expected). 他同意回答几个问题，但结果却是始料未及。 - bargain for/on something doing something
I didn't bargain on finding them here as well. 我没想到还会在这里遇到他们。 - bargain for/on something/somebody doing something
I hadn't bargained on them being here. 我没想到他们会在这里。