Please lock your bike to the cycle rack near the station before you go inside.

One may rack one's brain for days trying to solve a difficult puzzle.

He tends to live at rack and manger, always enjoying the finest meals and comforts at others' expense.

It's common to rack one's brains over a tricky crossword clue.

Racking one's brain can sometimes lead to creative solutions.

One racked one's brain trying to remember the exact wording of the contract clause.

Racking one's brains is often the first step toward a creative solution.

When confronted with the puzzle, one racked one's brains for hours before finding an answer.

I yelled, 'rack off, hairy legs!' when the stranger kept following me.

Racksful of winter coats were stacked in the back of the shelter, ready to be distributed.