unprompted

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++un·prompt·ed /ʌnˈprɒmptɪd $ ʌnˈprɑːmp-/ adjective formal  WILLINGsaid or done without anyone asking you to 主动的；自发的 Quite unprompted, he offered to help. 他主动提出帮忙。

Examples from the Corpus

unprompted• All four heads took the unprompted view that there was a desperate need for professional library staff in secondary schools.

un·prompt·ed adjectiveChineseSyllable  

anyone Corpus or you to done said asking without

unprompted
un‧prompt‧ed /ʌnˈprɒmptəd, ʌnˈprɒmptɪd $ ʌnˈprɑːmp-/ adjective formal
said or done without anyone asking you to:
    Quite unprompted, he offered to help.

un·prompt·edBrE /ʌnˈprɒmptɪd/ 🔊NAmE /ʌnˈprɑːmptɪd/ 🔊 adjectivesaid or done without sb asking you to say or do it 主动的；自发的◆Quite unprompted, Sam started telling us exactly what had happened that night. 萨姆完全出于主动，开始把那天夜里发生的事一一向我们说了出来。🔊🔊  ➡  see also prompt verb