The Chinese word for friend is
朋友

péng yǒu

Chinese Definition

friend
1. 名词. 朋友
Components
朋
1. friend
朋友 - friend
良朋 - good friend
2. (literary) to gang up; to band together
3. (literary) to be similar; to equal
碩大無朋 - exceptionally large; enormous
友
1. friend; companion
好友 - good friend
2. (literary) to make friends with
3. (literary, chiefly among brothers) to love each other
4. (in compounds) friendly
友邦 - friendly nation
友軍 - friendly forces
5. (Cantonese, colloquial, slightly, impolite) guy; bloke
西裝友jau5-2 - guy in a suit

朋友
1. n. friend
童年的朋友 - childhood friend
結交新朋友 - to make new friends
他不知道朋友的家在哪裡。 - He doesn't know where his friend's house is.
呢ni1個係我個朋友。 - This is my friend.
伊毋知朋友的厝佇佗tó位。 - He doesn't know where his friend's house is., MN
伊唔知朋友個內在底塊。 - tr=i1 m6 zai1 pêng5 iu2 gai5 lai6 do6 di7 go3., He doesn't know where his friend's house is., MN-T
你的近況斷續從朋友口中傳到我耳畔。 - Your news intermittently came to my ears through friends' words.
我跟她真的只是普通朋友。 - She and I are really just friends.
世界上最可悲的事情，莫過於你喜歡他，他卻只把你當朋友。 - The saddest thing in the world is liking someone but they only see you as a friend.
2. n. (euphemism) boyfriend or girlfriend; partner
3. n. (archaic) large number of retainers
4. n. (archaic, Ming dynasty) (designation given by government bureaucrats to Confucian students)

男朋友
1. n. boyfriend
我男朋友you 真的是太棒啦。 - My boyfriend is really awesome.

女朋友
1. n. girlfriend
我女朋友you 嫌棄我胖。 - My girlfriend doesn't like me being overweight.
做我的女朋友 %啦lah %乎ho͘hⁿ！ - Be my girlfriend!, MN