set 英文释义: 形容词 converted to solid form (as concrete)
case-hardened, hard-boiled 英文释义: 形容词 used of persons; emotionally hardened; "faced a case-hardened judge"
tempered, treated, toughened 英文释义: 形容词 made hard or flexible or resilient especially by heat treatment; "a sword of tempered steel"; "tempered glass"
enured, inured 英文释义: 形容词 made tough by habitual exposure; "hardened fishermen"; "a peasant, dark, lean-faced, wind-inured"- Robert Lynd; "our successors...may be graver, more inured and equable men"- V.S.Pritchett
