世家英文

a well-known tailor''s family

海上世家 the family notable for generations of sea life

世家可以是 an old and well-known family 但普普通通，也许是 aristocratic family 世代为官。“海上” 可以是 at sea。所以，有以下两种译法：an old and well-known family at seaan aristocratic family at sea

裁缝：tailor世家一般就用family就可以了tailor family就可以了比如he comes from a very tailor family他来自于一个真正的裁缝世家。