to decide that something is not possible
决定某事不可能 (jueding moushi bu keneng)
"We can’t rule out another delay yet."
"我们还不能排除再次延迟的可能。" (women hai bu neng paichu zaici yanchi de keneng)
no matter what happens; in any weather or situation
to be in a very difficult or challenging situation
not special or interesting
to become crazy or mentally unstable
naturally designed to acquire knowledge or skills
to experience a sudden failure or breakdown
