- <→AS hard as marble>
- as hard as marble: 冷酷無情な
- (a) marble: (a) marbleビー玉ビーだま
- marble: marble n. 大理石; ビー玉, ビー玉遊び; 《口語》 分別, 理性.【動詞+】lose one's marbles《口語》 分別を失う, 気が狂うLet's play marbles.ビー玉遊びをやろうquarry marble大理石を切り出すshoot marbles《米》 ビー玉をねらってはじく.【形容詞 名詞+】imitation marble模造大理石statuary mar