unequal

形容词 unequal:

1. not equal in amount
   同义词：unlike
2. poorly balanced or matched in quantity or value or measure

1. He proved to be unequal to the job.
   他不能胜任那个工作。
2. This football match is an unequal contest.
   这场足球赛是一场实力悬殊的比赛。