“unexpected failure”造句，怎么用unexpected failure造句

The unexpected failure made the students like the leaves and leaves of the frost, and then they languish in a sluggish manner.

For example, you can imagine that having a sudden and unexpected failure in your HVAC can run you several thousand dollars.

Courage for some sudden act, maybe in the heat of battle, we all respect, but there is that still rarer courage which can sustain repeated disappointment, unexpected failure, and shattering defeat.