yakuza

n.

a Japanese gangster

organized crime in Japan; an alliance of criminal organizations and illegal enterprises

1. The Yakuza is notorious for its involvement in organized crime and illegal activities such as drug trafficking and extortion.
   日本黑帮以参与有组织犯罪和非法活动而臭名昭著，例如毒品贩运和敲诈勒索。
2. He got involved with the Yakuza at a young age, and it took years for him to escape the influence of the gang.
   他从小就与黑帮有了牵连，花了很多年才摆脱了这个帮派的影响。