suī / rán / tā / yǐ / jīng / zhǎng / dà / le / fù / mǔ / hái / shi / ǒu / ěr / jiào / tā / de / rǔ / míng

虽然他已经长大了，父母还是偶尔叫他的乳名。

Although he has grown up, his parents still occasionally call him by his childhood name.