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.
   日本黑幫以參與有組織犯罪和非法活動而臭名昭著，例如毒品販運(yùn)和敲詐勒索。
2. He got involved with the Yakuza at a young age, and it took years for him to escape the influence of the gang.
   他從小就與黑幫有了牽連，花了很多年才擺脫了這個(gè)幫派的影響。