be on
US
UK be on about [sth] vi phrasal + prep: UK, slang (talk incessantly)
SC 不停地说
What on earth are you on about?
be agreed on v expr: (be decided)
SC 对…取得一致看法
It seems we are all agreed on the need for health care reform, but we differ totally on how to implement it.
be carried on v expr: (be continued or perpetuated)
SC 在进行，在继续 zài jìn xíng
After all these years, the business is still being carried on by the founder's great-great-grandson.
be hell on [sb/sth] v expr: (cause extreme difficulty)
SC 让...尝尝厉害
SC 给...点颜色看看
be on a roll v expr: figurative, informal (experience a run of success)
SC 势如破竹，做得很顺
I think I'll strip the wallpaper from another wall before bedtime; I'm on a roll!
be on borrowed time n: figurative (uncertain time period)
SC 继续活着的一段时间
SC 活过寿限
SC 苟延残喘 gǒu yán cán chuǎn
With all the budget cuts we're experiencing, there's no doubt this project is on borrowed time; it's going to get shut down any day now.
be on shaky ground v expr: figurative (be in a precarious situation)
SC 处于不稳定状态
be on your best behavior (US), be on your best behaviour (UK) v expr: (behave very well)
SC 举止得当