(idiomatic) To make a painful situation even worse (even with the best of intentions).

worth one's salt.

To capture or pin down someone.

with much doubt and skepticism

Madoqua saltiana, a small antelope found in parts of Africa.

Tasting of salt. / Containing salt. / (figuratively, of language) Coarse; provocative; earthy.

(originally) Potassium nitrate. / (uncommon) Sodium nitrate.

(transitive) To treat with saltpetre.

A leap, jump or dance. / Beating or palpitation. / (biology) A sudden change from one generation to the next; a mutation. / Any abrupt transition.

(US) Alternative spelling of saltpetre