Coordinate Structure: “一边……，一边……”
In Chinese the pattern “一边……，一边……” (yìbiān..., yìbiān...) shows that two actions are done at the same time.
The pattern can also be shortened to “边……边……”.
Basic Structure
一边 + action 1，一边 + action 2
In English:
to do … while doing …
or
… at the same time as …
Short form:
边 + action 1 + 边 + action 2
Examples
咱们一边吃蛋糕，一边聊天儿吧。
Let's have some cake and chat at the same time.
Structure
一边吃蛋糕 + 一边聊天儿
eat cake + chat at the same time
咱们 — we
一边吃蛋糕 — while eating cake
一边聊天儿 — and chatting at the same time
吧 — marks a suggestion
In this sentence eating the cake and chatting happen at once.
我喜欢一边跑步，一边听音乐。
I like listening to music while I run.
Structure
一边跑步 + 一边听音乐
run + listen to music at the same time
我喜欢 — I like
一边跑步 — while running
一边听音乐 — and listening to music at the same time
Here the running and the listening happen at the same time.
你不应该边开车边打电话。
You shouldn't be on the phone while driving.
Structure
边开车 + 边打电话
drive + be on the phone at the same time
你不应该 — you shouldn't …
边开车 — while driving
边打电话 — and making a phone call at the same time
This sentence uses the short form 边……边…… .
Quick Rule
一边 + action 1，一边 + action 2
or the short form:
边 + action 1 + 边 + action 2
Meaning: two actions are carried out at the same time.
Examples:
一边吃蛋糕，一边聊天儿
to chat while eating cake
一边跑步，一边听音乐
to listen to music while running
边开车边打电话
to be on the phone while driving