uptick : a small increase.
The attack comes amid a sharp uptick in crimes against Asian-Americans. 가파른 증가
EX) The country has reported a sharp uptick in MERS cases over the past week.
aggravated [ˈæɡrəveɪtɪd] (범행이) 가중처벌이 가능한[지나치게 악질적인]
v.aggravate : (질병이나 좋지 못한 상황을) 악화시키다 (=worsen)