听不懂

to admit; to acknowledge

I'm afraid that...; perhaps; probably. Used to express concern, uncertainty, or to soften a polite refusal.

to agree

although...but...

announcement

to answer; to reply

To answer (a phone call).

To express an apology formally. This is a critical term for IELTS letters of apology.

To ask a question; to pose an inquiry.

Broadcast.