Common Mistakes : Catch

verb

.BAD: The dialogue in this video is very difficult to catch
.GOOD: The dialogue in this video is very difficult to understand

.BAD: At that time I couldn’t speak or catch English at all
.GOOD: At that time I couldn’t speak or understand English at all

Catch (= hear and/or understand) is used only in connection with what someone has just said
?I’m afraid I didn’t quite catch the last point. Could you go over it again
?Did either of you manage to catch her name