ex·tra·ju·di·cial /-ʤʊˈdɪʃəl/
(ad.)法庭職權以外的
Ex·tra·ju·di·cial a. Out of or beyond the power authority of a court or judge; beyond jurisdiction; not valid as a part of a judicial proceeding; as, extrajudicial oaths, judgments, etc., are null and void. -- Ex*tra*ju*di*cial*ly, adv.
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extrajudicial
adj : beyond the usual course of legal proceedings; legally
unwarranted; "an extrajudicial penalty"