眼熟

zhè rén kàn zhe hěn yǎn shú

这人看着很眼熟。

That person looks very familiar.

nǐ kàn zhe yǒu xiē yǎn shú wǒ yě xǔ guò qù zài zhè jiàn guò nǐ

你看着有些眼熟，我也许过去在这见过你。

Your face seems familiar. I've probably met you here in the old days.

tā shì wǒ guò qù de xué sheng nán guài jué de hěn yǎn shú

她是我过去的学生，难怪觉得很眼熟。

No wonder she looks so familiar, she was my former student.

zhè xiē rén wǒ kàn qǐ lai dōu bù zěn me yǎn shú

这些人我看起来都不怎么眼熟。

None of these men look familiar to me.