3PHRASE 上风;优势;有利地位 If you have the upper hand in a situation, you have more power than the other people involved and can make decisions about what happens. 上风;优势;有利地位
The government was beginning to gain the upper hand.
政府开始占上风。
It was easy to see who had the upper hand.
不难看出谁占上风。
4N-COUNT [usually plural]鞋帮 The upper of a shoe is the top part of it, which is attached to the sole and the heel. 鞋帮
Wear well-fitting, lace-up shoes with soft uppers.
穿合脚的、系带的软帮鞋。
Leather uppers allow the feet to breathe.
皮革鞋帮使脚得以透气。
5N-COUNT 兴奋剂Uppers are drugs that make you feel very happy, excited, and full of energy. 兴奋剂 [informal]
...people crazy on alcohol and cocaine and uppers and downers.