just in case

短语

以防万一

发音

UK /ˌdʒʌst ɪn ˈkeɪs/
US /ˌdʒʌst ɪn ˈkeɪs/
AU

别名

JIC just incase

释义与例句

adv.
  1. 1.

    To provide for a possible event as a precaution.

    以防万一

    非正式

    I'll take an umbrella, just in case.

conj.
  1. 1.

    To provide for the possible event that.

    I'll take an umbrella, just in case it rains.

    1629, Roger Williams et al., The Correspondence of Roger Williams, Brown University Press (reprinted 1988, →ISBN, page 204, Dudley and his council "gave no credit to these suspicions" but decided to strengthen the colony's defenses just in case the rumors turned out to be true.

    1981, John H. G. Pell, "General George Washington's Visit to Fort Ticonderoga in July 1783", Bulletin of the Fort Ticonderoga Museum, Volume XIV, Number 1, Summer 1981, Fort Ticonderoga Museum, page 260, Throughout 1782 and most of 1783 there was a mixture of defacto [sic] peace but preparedness for war just in case it should be resumed, a sort of cold war.

  2. 2.

    Synonym of if and only if.

    数学 哲学

    The negation of a disjunction is true just in case both disjuncts are false.