Xiǎnɡ qù hē yìbēi ma ?
想去喝一杯吗?
Would you like to go for a drink?
Notes:
想(Xiǎnɡ): would like to
去(qù): to go
喝(hē): to drink
一杯(yìbēi): one cup
吗(ma): question word
Example:
A:想去喝一杯吗?
Xiǎnɡ qù hē yìbēi ma ?
Would you like to go for a drink?
B:好啊!
Hǎo ā!
Sure.