例句
I was unable to open the tightly sealed jar.
我打不开那个封得很紧的罐子。
Without affordable internet access, many students are unable to participate fully in online learning programmes.
如果没有负担得起的网络服务，许多学生就无法充分参与在线学习课程。
常用搭配
- be unable to attend｜无法出席
- be unable to afford｜负担不起
- be unable to cope｜无法应付
词形与相关词
able (adj.) · ability (n.) · inability (n.)
用法提示
用 be unable to do，不用 unable doing。