咆 咆 pao2
to roar

strokes 8
radical
口
口
strokes after radical 5
咆哮 咆哮 pao2 xiao4
to roar; to thunder; to snarl; to bluster (of wind, waves etc); crashing waves (onom.); to rage (of a person)

咆哮如雷 咆哮如雷 pao2 xiao4 ru2 lei2
to be in a thundering rage (idiom)