相关单词同义词vigilance, alertness, keep, one, s, eye, on, the, ball, keep, one, s, eyes, peeled, watching, shield, 近义词v. defend, preserve, protect, shield n. patrol, sentinel, sentry, watchman反义词v.disregard, ignore, neglect临近词guardian, guaranty, Guarda, Guardo, guards, Guardi, guarded, Guardon, Guardia, guarder, guardee, Guardiel相似词guano, guaraná, guarantee, guarantor, guard against sth, guard cell, guard dog, guard of honour, 返回 guard