打岔 (dǎ chà): Change the subject / Digress (Verb) — Meaning & Stroke Order

Why do you always change the subject when I'm explaining key points? Do you have any questions?

He did not digress; instead, he timely raised a relevant supplementary suggestion.

Occasionally changing the subject while chatting with friends can liven up the atmosphere, but don't stray too far from the topic.

Although he tried to digress, the host skillfully guided the discussion back on track.