bèi zhe
v. behind someone's back, (do something) secretly
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Simplified Chinese

Traditional Chinese

Simplified stroke orders are based on the 'Standard of National Commonly-used Mandarin Chinese Characters (现代汉语通用字笔顺规范)', issued by the China National Language and Character Working Committee (国家语言文字工作委员会) on April 7th 1997. Traditional stroke orders are based on information issued by the Taiwan Ministry of Education.
tā bèi zhe wǒ zhàn zài nà lǐ , bù gēn wǒ shuō huà .
phr. He stood there with his back to me and did not talk to me.
wǒ bèi zhe nǚ péng you gěi tā mǎi le yí fèn lǐ wù .
phr. I bought her a gift behind my girlfriend's back.