unbidden
adjective /ʌnˈbɪdn/
/ʌnˈbɪdn/
(literary) usually used after the verb- without being asked, invited or expected
synonym unasked未经要求;未被邀请;擅自 - He walked into the room unbidden.
他径自走进了屋子。 - The memories came back to her unbidden and unwanted.
这些记忆不请自来地又回到了她的脑海。
- He walked into the room unbidden.