different surname; different family name
Used when comparing surnames, often in contrast with 同姓 (same surname). Common in contexts like marriage, family registers, or distinguishing people.
Antonyms: 同姓
Some people keep different surnames even after marriage.
They have the same given name but different surnames; they are different people.
same surname; same family name
Compound of 異 (different) and 姓 (surname).