3the tennis/lecture/cabaret etc circuitUSUALLYall the places that are usually visited by someone who plays tennis etc 网球巡回赛/巡回演讲/卡巴莱歌舞巡回表演等
a well-known entertainer on the club circuit
到夜总会作巡回表演的一位著名艺人
Examples from the Corpus
the tennis/lecture/cabaret etc circuit• Both the Harvard and Caltech groups took their maps on the lecture circuit, giving talks at scattered conferences and universities.