绽开

tā liǎn shang zhàn kāi yī gè xiào róng

他脸上绽开一个笑容。

A smile spread across his face.

wēi xiào màn màn zài tā liǎn shang zhàn kāi

微笑慢慢在她脸上绽开。

A smile spread slowly across her face.

tā nà yán sù de xiǎo liǎn zhàn kāi le xiào róng

他那严肃的小脸绽开了笑容。

His solemn little face broke into smiles.