on the phone

US /ɑːn ðə foʊn/
UK /ɑːn ðə foʊn/
"on the phone" picture
1.

在打电话, 通电话

speaking to someone using a telephone

:
She was on the phone for an hour with her sister.
她和她姐姐通电话一个小时。
I can't talk right now, I'm on the phone.
我现在不能说话,我正在打电话