to fail completely in an embarrassing way
échouer complètement de manière embarrassante (échouer complètement de manière embarrassante)
"He fell flat on his face during his first business attempt."
"Il a complètement échoué lors de sa première tentative d'affaires." (Il a complètement échoué lors de sa première tentative d'affaires.)
a very thin person
something that operates smoothly and efficiently
to be extremely generous and selfless
to take full responsibility for something
not something one likes or enjoys
to stay focused on your goal