Clichés can make a narrative sound tired and unimaginative. They bombard us everyday, so they leak easily from our fingertips, like ink from an old-fashioned pen. When I point out clichés to the authors I edit, they come up with some very inventive alternatives that enliven their prose. Here’s a string of some of my most hated clichés. I’m sure every editor has such a list. “Cindy’s eyes widened, her mouth dropped open, and her knuckles whitened as she gripped the back of the chair after the good-looking blonde shot her a look and gave her a lop-sided grin, then rolled her eyes.” I immediately highlight such phrases in yellow. Not all clichés get this treatment. Some are okay in dialogue, if they’re appropriate to the character speaking. For example, “My dad pretended to read him the riot act, but I think he was secretly proud of him. The other kid’s mother went ballistic.” Real people use clichés, so why shouldn’t characters? Another example: “‘You know what they say.’ Gil...