gain·sayBrE/ˌɡeɪnˈseɪ/NAmE/ˌɡeɪnˈseɪ/verbpresent simple - I / you / we / theygainsayBrE/ˌɡeɪnˈseɪ/NAmE/ˌɡeɪnˈseɪ/present simple - he / she / itgainsaysBrE/ˌɡeɪnˈsez/NAmE/ˌɡeɪnˈsez/past simplegainsaidBrE/ˌɡeɪnˈsed/NAmE/ˌɡeɪnˈsed/past participlegainsaidBrE/ˌɡeɪnˈsed/NAmE/ˌɡeɪnˈsed/ -ing formgainsayingBrE/ˌɡeɪnˈseɪɪŋ/NAmE/ˌɡeɪnˈseɪɪŋ/~sth(formal) () tosaythatsthisnottrue; todisagreewithordenysth反驳；反对；否认SYNdeny◆Nobodycangainsayhisclaims. 没人能够反驳他的说法。