tā / men / huàn / shàng / le / xīn / de / qíng / lǚ / tóu / xiàng / péng / you / yì / yǎn / jiù / kàn / chū / lái / le

他们换上了新的情侣头像，朋友一眼就看出来了。

They changed to new matching avatars, and their friends noticed right away.