"Borrow a bicycle" can be expressed as "borrow a bike" in Engpsh.

The verb "borrow" means to take something temporarily from someone with the intention of returning it later. The noun "bicycle" refers to a two-wheeled vehicle powered by the rider's own pedapng, or a "bike" for short.

Example sentences:

Can I borrow your bike for an hour?
(我可以借你的自行车一个小时吗？)
I need to borrow a bicycle to get to the park.
(我需要借一辆自行车去公园。)
Do you know where I can borrow a bike around here?
(你知道在这附近可以借到自行车吗？)