那个臭名昭著的歹徒最终被判终身监禁。

The notorious ___gangster was eventually sentenced to life in prison.

那个穿着皮夹克的男人看起来像个凶狠的黑帮分子。

The man in the leather jacket looked like a dangerous ___gangster.

这部电视剧里的黑帮老大穿着考究，看起来既危险又迷人。

The ___gangster in this TV series dresses sharply, looking both dangerous and charming.