liable / ˈlaɪəb?l / [not before noun] 1 liable to do something likely to do or say something or to behave in a particular way, especially because of a fault or natural tendency ᅳsynonym likely
e.g. The car is liable to overheat on long trips.He was liable to just show up without warning.
1. liable/likely + that 要求句子中 it 做形式主语,即 It is/was likely/liable that... 2. be (not) likely to do sth. 优于 It is/was likely that... 3. 固定结构:sb. be less likely to do sth. than to do sth.