Mastering

Mastering a foreign language calls for patience.

Mastering a foreign language involves a lot of patience.

Mastering facts patiently is far more necessary for them than learning expressive and critical skills.

She is intent on mastering French.

Mastering English is difficult.

Mastering a foreign language requires a lot of hard work.

There's a huge difference between "making oneself understood" and "completely mastering English."

There is a vast difference between being able to make oneself understood in English and mastering the English language perfectly.

Being able to make oneself understood in English is vastly different from mastering the language perfectly.

Someday, after mastering the winds, the waves, the tides and gravity, we shall harness for God the energies of love, and then, for a second time in the history of the world, man will have discovered fire.