名詞 asperity:

1. something hard to endure
   同義詞：grimness, hardship, rigor, rigour, severity, severeness, rigorousness, rigourousness
2. harshness of manner
   同義詞：sharpness

as.per.i.ty

n.（名詞）
【復(fù)數(shù)】 as.per.i.ties

Roughness or harshness, as of surface, sound, or climate:
嚴(yán)酷：粗糙或粗暴（嚴(yán)寒），如表面，聲音，氣候：
例句：
the asperity of northern winters.
北方的嚴(yán)冬

Severity; rigor.
嚴(yán)肅；嚴(yán)厲
Harshness of manner; ill temper or irritability.
粗暴：態(tài)度粗暴；脾氣暴躁或易怒

來源：
Middle English asperite
中古英語 asperite
from Old French asprete
源自 古法語 asprete
from Latin asperit3s
源自 拉丁語 asperit3s
from asper [rough]
源自 asper [粗糙]