He never mentioned her by name [=he never said her name], but we all knew who he was talking about.他从未提到她的名字，但我们都知道他说的是谁。

The victim was able to identify his attacker by name. [=he knew the name of the person who attacked him]受害者能说出攻击者的名字。

We've had people come in to the store and ask for it by name.我们有顾客来商店指名要这个东西。