这个短语意思灵活,具体翻译要看语境.可以翻译为
像水手一样发誓;
或
如水手那样谩骂.例如:
So there's this man with a parrot.And his parrot swears like a sailor,I mean he's a pistol.He can swear for five minutes straight without repeating himself.
这个人有只鹦鹉,而他的鹦鹉【像个水手般地爱谩骂】,我的意思是它是个机关枪,它可以毫无间断地谩骂五分钟而不会重复它的言词.