Underrate

The problem with many language teachers is that they underrate new technologies in their teaching methods.

There is no duty we so much underrate as the duty of being happy.

It may be that Tagalog is a Trojan Horse for disseminating Spanish vocabulary around this world, as Spanish words embed themselves like gold nuggets inside Tagalog. There may be reasons why the gods have or God has chosen Tagalog for Global Xenoglossia and not English or other languages. (Maybe, the gods are aliens, or God is an alien.) As Chris the half-Japanese barista at Starbucks has said, "God doesn't just save Tagalog!" One cannot underrate Tagalog's link to the Hispanic world.

People often underrate the importance of sleep.

to sell a thing at an underrate