in·vol·un·taryBrE/ɪnˈvɒləntri/NAmE/ɪnˈvɑːlənteri/adjectiveaninvoluntarymovement, etc. ismadesuddenly, withoutyouintendingitorbeingabletocontrolit无意识的;不自觉的◆aninvoluntarycryofpain不由自主的痛苦的喊叫OPPvoluntaryhappeningwithoutthepersonconcernedwantingitto非自愿的;非本意的◆theinvoluntaryrepatriationofimmigrants对移民的强制性遣返◆involuntarychildlessness出于无奈的无子女状况▸in·vol·un·tar·ilyBrE/ɪnˈvɒləntrəli/NAmE/ɪnˌvɑːlənˈterəli/adverb