He was diagnosed with knock knee and advised to see an orthopedic specialist.

When the mechanic revved the engine, a sharp spark knock echoed through the test bay as the fuel-air mixture detonated before the piston reached top dead centre.

The mechanic explained that the unusual diesel knock meant the fuel injection timing needed adjustment.

They knocked together a crude raft from driftwood to cross the river.

Every morning, he knocks together a simple breakfast on the camping stove before anyone else wakes up.

She accidentally knocked off the painting while reaching for the window latch.

If she delivers that aria perfectly, she'll knock dead everyone in the audience.

The department scheduled several knock-and-talks in the neighborhood to follow up on the complaints.

The officer conducted a knock-and-talk at the resident's home to ask a few questions about the incident.

After repeated safety issues, the board voted to knock on the head the plan to expand the factory.