to avoid laughing in a funny situation
éviter de rire dans une situation drôle (eviter de rire dans une situation drole)
"It was hard to keep a straight face during his silly speech."
"Il était difficile de garder son calme pendant son discours ridicule." (Il etait difficile de garder son calme pendant son discours ridicule.)
to do extremely well on a test
without much thought or preparation
Without courage, you can’t achieve success.
the best of a group; the finest selection
the shape of a building or object should primarily relate to...
a short sleep during the day