severity
n. 严重，严重性；严肃，严厉（的态度）；严厉（的程度）；简朴，朴素，普通
复数 severities
例句
He frowned with mock severity.
他沉下脸来，装出一副严厉的样子。
《牛津词典》
A prison sentence should match the severity of the crime.
刑期长短要和罪行轻重一致。
Objective assessment of the severity of the problem was difficult.
难以客观判定该问题的严重性。
