shuō​qǐ

to mention

说起 說起 shuō//qǐ
to mention verb + particle
To bring up a subject; to mention; to start talking about something.

Let's start with Sydney.

She never spoke of him.

as for verb + particle
Used to introduce a topic of conversation, meaning "speaking of..." or "with regard to...".

Speaking of flies, you brought some in.

Frequency

Movie subtitles
0.890 per million appears in 0% of films

Sources

Frequency data
SUBTLEX-CH