学到

to learn (sth); to learn about

to (a place) / until (a time) / up to / to go / to arrive / (verb complement denoting completion or result of an action)

to reach; to arrive / to leave for; to go to / to (a place); until (a time); up to (a point) / (verb complement indicating arriving at a place or reaching a point) / considerate; thoughtful; thorough

to learn / to study / to imitate / science / -ology

One is never too old to learn. (idiom)