Every time she tries to fix the old radio, she bumbles through the wiring and makes it worse.

He bumbled through the presentation, missing several key points and apologizing awkwardly.

In the summer garden, bumble-bees hummed as they moved from flower to flower.

The garden was alive with bumble bees visiting the flowers.

A curious child watched as a fluffy bumble-bee landed on the clover.

A fluffy bumble bee hummed past the garden, visiting each bright flower.