involuntary

involuntary
adjective

done without conscious control
无意识的，不由自主的，本能的
she gave an involuntary shudder.
她不由自主打了一颤。
■(especially of muscles or nerves) concerned in bodily processes that are not under the control of the will
（尤指肌肉或神经）不自觉的，无意识的，不受意志控制的
done against someone's will; compulsory
非自愿的；非本意的；不随意的，被强制的；义务的
a policy of involuntary repatriation.
强制遣送回国政策。

派生
involuntarily
adverb
involuntariness
noun