run acrosssth
—phrasal verbwithrunverbuk/rʌn/us/rʌn/present participlerunning|past tenseran|past participlerun
informaltoexperienceaproblemwhen you are notexpectingto
遇到(未曾预料的问题);陷入(预想不到的麻烦)
We'verunacrossaslightproblemwith theinstructionmanual.说明书上有一个地方我们看不大明白。