Meaning of xiǎo shēng:
xiǎo shēng
小声
Adverb
in a low voice
Tā zài huìyì shàng yòng xiǎoshēng shuōhuà.
他在会议上用小声说话。
He spoke in a low voice during the meeting.
Verb
(speak) in whispers
Tā zài túshūguǎn lǐ yòng xiǎoshēng shuōhuà.
他在图书馆里用小声说话。
He spoke in whispers in the library.