Find the meaning of the following idiom :

To catch a tartar

to deal with someone who proves unexpectedly powerful

The correct meaning of the idiom "to catch a tartar" is to deal with someone who proves unexpectedly powerful. The idiom is thought to have originated in the 16th century, when the Tartars were a feared and powerful people. The phrase is often used in a humorous way, but it can also be used to describe a serious situation.

The other options for the meaning of the idiom are incorrect. To meet with disaster means to experience something very bad or unfortunate. To fall sick means to become ill. To accomplish a difficult task means to successfully complete something that is challenging.