The believers are compared to newborn infants who need milk to grow. (See: [[rc://en/ta/man/translate/figs-simile]] and [[rc://en/ta/man/translate/figs-metaphor]])
## long for ##
"desire intensely" or "yearn for"
## you may grow in salvation ##
"you may grow spiritually." The word "you" refers to the believers mentioned in chapter 1.
## if you have tasted that the Lord is kind ##
"because you have experienced that the Lord acts very kindly toward you" (UDB) (See: [[rc://en/ta/man/translate/figs-metaphor]])