It is ill meddling with edged tools.

The proverb warns that sharp implements can cause injury when someone handles them without due care. Its literal image makes the danger of careless interference easy to grasp.

Figuratively, it cautions against inserting oneself into a hazardous situation, particularly when one is not prepared to deal with the possible consequences.

Use it to advise someone against unnecessary involvement in a risky matter or to comment on trouble caused by careless interference. It can also serve as a straightforward warning about handling sharp objects.