To enhance something means to improve its value, quality, or attractiveness.
例句
They'll be keen to enhance their reputation abroad...他们会非常渴望提高他们在国外的声誉。The superb sets are enhanced by Bobby Crossman's marvellous costumes.博比·克罗斯曼绝妙的服装为华丽的舞台增色不少。
英英词典释义
Adjective
1. increased or intensified in value or beauty or quality;
"her enhanced beauty was the result of a good night's sleep rather than makeup""careful cleaning was responsible for the enhanced value of the painting"