involuntarily
🇺🇸
/ɪnˌvɑːlənˈterəli/
🇬🇧
/ɪnˈvɒləntrəli/
without intending to or being able to control it
She shuddered involuntarily when she heard the loud noise.
她聽到巨響時不由自主地顫抖。
without the person wanting it to happen
He was involuntarily committed to a mental institution.
他被非自願地送進了精神病院。