Language Point 2

Although at times, learning a language was frustrating, it was well worth the effort. (Para.1)

Meaning: Although sometimes learning a language is disappointing, it was rewarding enough to spend the time and effort on it.
be well worth + noun/ doing sth.: rewarding enough for the time or effort
This report about the effect of modernization on human nature is well worth reading. 这份关于现代化对于人性影响的报告很值得一读。
He's decided to have a look at the house for it is well worth buying. 他决定去看看这栋房子，因为它非常值得去买。