If you describe something as unequalled, you mean that it is greater, better, or more extreme than anything else of the same kind.
例句
This record figure was unequalled for 13 years...这项纪录保持了13年,无人能破。...an unequalled level of service.最上乘的服务
英汉词典释义
adj.
无比的;无双的
an unequalled reputation无与伦比的声誉
英英词典释义
Adjective
1. radically distinctive and without equal;
"he is alone in the field of microbiology""this theory is altogether alone in its penetration of the problem""Bach was unique in his handling of counterpoint""craftsmen whose skill is unequaled""unparalleled athletic ability""a breakdown of law unparalleled in our history"