什么是 spare?To refrain from treating harshly; treat mercifully or leniently.To refrain from harming or destroying.To save or relieve from experiencing or doing (something): spared herself the trouble of going. To hold back from; withhold or avoid: spared no expense for the celebration. To use with restraint: Don't spare the mustard. To give or grant out of one's resources; afford: Can you spare ten minutes? To be frugal.To refrain from inflicting harm; be merciful or lenient.Kept in reserve: a spare part; a spare pair of sneakers. Being in excess of what is needed; extra. See Synonyms at superfluous.Free for other use; unoccupied: spare time. Not lavish, abundant, or excessive: a spare diet. Lean and trim. See Synonyms at lean2.Not profuse or copious.A replacement, especially a tire, reserved for future need.Sports The act of knocking down all ten pins with two successive rolls of a bowling ball.Sports The score so made.to spare In addition to what is needed: We paid our bills and had money to spare.