面熟 (miànshú) Look familiar
The character “面 (miàn)” means face or surface and “熟 (shú)” means familiar.
Zhè xiǎo nánhái hǎo miànshú ya, hǎoxiàng zài nǎ’er jiànguò.
The little boy looked so familiar. I seem to have seen him somewhere before. Got questions?