en_tn/2ki/03/18.md

This is an easy thing

This would remind the people that if it is easy for Yahweh to make water appear, he would also help them defeat the Moabites.

in the sight of Yahweh

AT: "for Yahweh to do" (UDB); (See: rc://en/ta/man/translate/figs-idiom)

fortified city

A fortified city is well protected from enemies, by using things such as high walls or good locations.