写生 

Pinyin: xiě shēng 
Meaning：Sketch
Sentence：她饿了会停止写生。She would turn up from her sketching when she was hungry.

More: 

写： 

Pinyin: xiè,xiě
Meaning: To write
Radical: 冖
Stokes: 5
Traditional: 寫 
Common words/Phrase:
写信 [xiě xìn] 【to write a letter】
写作 [xiě zuò] 【writing】
写真 [xiě zhēn] 【describe sth. as it is】
写意 [xiè yì] 【liberal style】
写照 [xiě zhào] 【portraiture】

生：

Pinyin: shēng 
Meaning: Accrue; crude; give birth to; grow; living; procreate; rawness; student; unripe
Radical: 生 
Stokes: 5
Traditional: 生 
Common words/Phrase: 
生育 [shēng yù] 【give birth to】 
生殖 [shēng zhí ] 【give birth to】 
生长 [shēng zhǎng] 【grow】 
生存 [shēng cún] 【live; exist】 
生态 [shēng tài]  【zoology】