●be in a class of your, its, etc. own ( be in a class by yourself, itself, etc.) be much better than any others of the same kind独一无二；出类拔萃；无可比拟◆The winning competitor was in a class by herself. 胜出的女选手在参赛者中是出类拔萃的。◆For originality, Leo’s designs are truly in a class of their own. 在创新性方面，利奥的设计独一无二。