This is the 4236th most frequent Chinese word.
失敗
Failure.
In this sentence, '失敗' functions as a noun, meaning 'failure', referring to the outcome of his plan.
他的計畫以失敗告終。
His plan ended in failure.
Here, '失敗' serves as a verb, meaning 'to fail', describing the action of not succeeding in the competition.
我失敗了那場比賽。
I failed that competition.
In this sentence, '失敗' is used as a noun, referring to the concept of failing as an educational experience.