throw one's hat in the ring片語KK [θro wʌnz hæt ɪn ðə rɪŋ] /θɹoʊ wʌnz hæt ɪn ðə ɹɪŋ/發音片語1宣布參選、投入角逐The former mayor finally threw her hat in the ring last week.這位前市長上週終於宣布參選。2表態參加、加入競爭Several small firms threw their hats in the ring for the contract.好幾家小公司都表態要爭取這份合約。