2. cowboy up 被击倒仍爬起来继续奋斗；不服输

例句: You're going to cowboy up, pull up your jeans, tighten up your belt, brush off the dust, wipe your face and go show that four-legged animal who's the boss!

你决不能服输, 拉上你的牛仔裤, 栓紧裤带, 拍掉身上泥沙, 把脸擦干净, 让这些四脚畜牲看看到底谁才是老大!

3. live up 挖掘潜力，不辜负

例句:I am waiting for you to live up to your potentials.

我期待你能发挥出自己最大的潜力。

4. key up 让人兴奋

例句: Thoughts of their vacation keyed up the children so much they couldn't sleep.

孩子们一想到马上要旅行了就兴奋得要命，觉也睡不好了。

The excitement in the stadium has really keyed her up.

体育馆的喧哗让她亢奋起来。

5. let up 放晴

例句: It seems it will let up soon.

看起来天好像马上就要晴了。

6. jazz up 把事情弄得吸引人，有动感

例句: You need to jazz up your English with fresh and lively idioms.

你得学习一些现代的、有活力的成语，让你的英语生动一点。

Let's jazz this room up a little bit.

我们把这房间布置得有生气点。

7. lift up 抬起，举起

例句: Lift up your hands.

举起手来！

Lift up your hearts.

鼓足勇气！

8. cheer up 高兴起来；振奋

例句: Don't worry. Cheer up! You can do better next time.

别担心。振作起来！下次你会考得更好的。