1.But the ombudsman's office said a notorious gang, the Rastrojos, had recently stepped up its criminal operations in the area.
但是申诉专员办公室表示，臭名昭著的黑帮Rastrojos最近将犯罪行为扩展到了该地区。
2.alleged to be a notorious gang leader in Boston,
他被宣称为波士顿一个臭名昭著的黑帮的头目。
