Sentences with On The Sly

She obtained the confidential files on the sly.

The mischievous cat crept into the neighbor's garden on the sly.

The detective gathered evidence on the sly to solve the mysterious case.

The spy communicated with his handler on the sly to avoid detection.

She managed to sneak a peek at the test answers on the sly.

Despite the warning, the adventurous duo explored the forbidden cave on the sly.

The journalist uncovered the corruption scandal on the sly, revealing the truth.