| 单词 | if necessary | 
| 释义 | > as lemmasif necessary  4.  Of an action: that needs to be done; that is done in order to achieve the desired result or effect.  if necessary: if required by the circumstances. ΘΚΠ the mind > will > necessity > condition of being necessary > 			[adjective]		 > necessary to be done needfulc1390 necessarya1616 a1616    W. Shakespeare Julius Caesar 		(1623)	  ii. i. 178  				This shall make Our purpose Necessary, and not  Enuious.       View more context for this quotation 1655    S. Ashe Funeral Serm. Gataker 49  				Constant retirement..made the choice..a necessary act of prudence. 1716    T. Jeffery in  Sir T. Browne Christian Morals Pref. sig. *4v  				Where an Oversight had made the Addition or Transposition of some words necessary. 1771    ‘Junius’ Stat Nominis Umbra 		(1772)	 II. lxiv. 298  				In this sense the levy of ship-money..was not necessary. 1791    J. Bentham Corr. 23 Jan. 		(1981)	 IV. 225  				The whole circuit [of the Panopticon] reviewable with little, or if necessary, without any, change of place. 1819    P. B. Shelley Cenci  iii. ii. 51  				Still doubting if that deed Be just which was most necessary. 1858    W. Greener Gunnery in 1858 156  				We never saw it done,..but the Doctor describes it as a necessary proceeding. 1894    Ld. Albemarle  & G. L. Hillier Cycling 		(rev. ed.)	 App. 471  				The inner tube [is] carefully examined, the hole discovered—if necessary by inflating the tube and immersing it in water. 1910    Encycl. Brit. I. 266/1  				The proposition was supported by..the..minister of the interior, and accordingly the necessary arrangements were speedily effected. 1921    Round Table June 651  				His block majority, with which, if necessary, he could steam-roller opposition. 1945    E. Bowen Demon Lover 145  				The heat from the fire must have made necessary..the opening of a window behind the curtains. 1992    Mod. Railways Mar. 112/2  				The sidings are too short to hold a whole trainload, so shunting is necessary when the daily train arrives to exchange empty wagons for loaded ones. < as lemmas | 
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