Noun + 边 + (Direction)
边 (biān) means "side," "edge," or "border." It is commonly placed after a noun to indicate a location near or at the edge of something, as in 悬崖边 (cliff edge) or 路边 (roadside).
孩子们喜欢在河边玩耍。
Háizimen xǐhuān zài hé biān wánshuǎ.
The children like to play by the river.
他把车停在了路边的一棵大树旁。
Tā bǎ chē tíng zài le lù biān de yī kē dà shù páng.
He parked his car next to a big tree on the roadside.
不要站在窗户边,太危险了。
Bùyào zhàn zài chuānghù biān, tài wēixiǎn le.
Don't stand by the window; it's too dangerous.