The phrase "a better editor" is correct and usable in written English.
You can use it when comparing the editing skills of one person or tool to another, indicating an improvement in quality.
Example: "After taking the editing course, I feel like I have become a better editor than I was before."
Alternatives: "an improved editor" or "a more skilled editor".
"I think I'm a better editor than I am a creator," he says.
At times you wish Mr. Marx had sharper storytelling skills (or a better editor).
A better editor would have dissuaded her from monotonously repeating her epic similes.
Mr Childress could have done with a better editor: "Leverage" would have had more leverage if it had lost 100 pages and a dozen overused examples.
A better editor would have excised such nonsense, but there is little evidence that this book – by one of the movies' flashiest cutters – has been edited at all.
The thing I learned shooting video and photography at the same time is that trying to do exceptionally well requires you to step back and be a better editor.
I am, however, a very persistent and bloody-minded editor (who, providentially, happens to be married to an even better editor).
And if you think there's a better audio editor than Jorge Corona, you've got another thing coming.
Some of the improvements to an already sound franchise include the co-op mode (team up with a pal to knock over the blocks) and a better level editor (which lets you download new levels created by the game designers as well as fans).
"Jim Gray is the spirit and inspiration that is Channel 4 News," said Snow. "Maverick, anarchic, strict, mildly permissive, imaginative – there is no better editor in the United Kingdom".
A good creative-writing program will aim at making students better editors by requiring them to read intensively, exhaustively, and endlessly––and to read far more than one another's work.
