on the line

US /ɑn ðə laɪn/
UK /ɑn ðə laɪn/
"on the line" picture
1.

岌岌可危, 处于危险之中

at risk; in a position where one might lose something important

:
His reputation is on the line with this new project.
他的声誉因这个新项目而岌岌可危
Many jobs are on the line if the company fails.
如果公司失败,许多工作都岌岌可危
2.

在电话上, 正在通话

on the telephone

:
I have Mr. Johnson on the line for you.
约翰逊先生正在电话上找您。
Please hold, I have another call on the line.
请稍等,我还有另一个电话在通话中