[mass noun]harshness of tone or manner (语气或态度的)严厉 he pointed this out with some asperity. 他略带严厉地指出了这个问题。 [count noun]a faint asperity in his tone. 他的语气的隐隐严厉。 ■[count noun](asperities)harsh qualities or conditions 严酷;艰难困苦 the asperities of a harsh and divided society. 一个残酷而又四分五裂的社会所特有的艰难困苦。 ■[count noun](一般作asperities)a rough edge on a surface (表面的)粗糙,不平 the asperities of the metal surfaces. 金属表面的粗糙。
语源
Middle English (in the sense 'hardship, rigour'): from Old French asperite, or Latin asperitas, from asper 'rough'