Being kind to someone is spoken of as if it were an object that someone offers. Alternate translation: "were not only very kind to us" (See: [[rc://en/ta/man/jit/figs-metaphor]])
This phrase is used to emphasize the opposite of what is said. Alternate translation: "a great deal of kindness" (See: [[rc://en/ta/man/jit/figs-litotes]])