即使输了比赛，她也不认为自己是失败者。

Even though she lost the game, she didn't consider herself a ___loser.

他总是独来独往，同学们都把他当成一个失败者。

He always stays alone, and his classmates consider him a ___loser.

他考试不及格后，同学们都叫他失败者。

After failing the exam, his classmates called him a ___loser.