1. 非故意的；无心的
Something that is unintentional is not done deliberately, but happens by accident.

unintentionally
...an overblown and unintentionally funny adaptation of 'Dracula'.
对《吸血鬼德拉库拉》过度夸张且带着并非出自本意的滑稽意味的改编
...a scientist who unintentionally absorbed a small quantity of the mind-altering drug through the skin on his fingers.
无意中通过手指皮肤吸收了少量致幻剂的科学家