I keep tripping over things, and it becomes increasingly difficult to type.
People keep tripping over the third step in the staircase to the second floor.
Walking back, she kept tripping on the skirt hem she'd not had time to alter.
Your power keeps tripping and you're all wired up with frustration.
The dress was half an inch too long and she kept tripping over it.
Have you ever had a dress so long you kept tripping on it?
Isn't big enough to take a nip out of the line, but it keeps tripping the alarm.
And then there was that turkey with the knife who kept tripping over his Halloween costume.
Obviously it only makes us keep tripping over our own feet, but it's a tradition.
"It's six on five, and that ghost keeps tripping us."