(The) Ball’s in Your Court
It’s your turn to make an offer or decision
轮到你作出反应（或采取行动），现在看你的了
- It's up to you what to do - the ball is in your court now.
要做什么取决于你——现在就看你的了。
(To Not Have) A Horse in This Race
To have no preference in the outcome of a competition
比比赛结果没有偏好
- I’m fine with either Olivia or Jason as president. I don’t have a horse in this race.
无论奥利维亚还是杰森担任总统我都没有意见。 我对这次竞选没有偏好。
Curveball
Say or do something unexpected to someone
（棒球运动中投向击球手的）旋球，弧线球，引申指突如其来的问题、突发的事情
- Every so often life will throw you a curveball.
生活常常会冷不丁地给你出个难题。
Ballpark Figure
A rough estimate
大概的数字，估计的数字
- According to my ballpark figure the monthly mortgage payment is about$ 1400.Since both of us work I think we can handle it okay.
根据我大略的估计每月得支付1400美元左右来偿还按揭，既然我俩都工作，我想我们能对付得过。
Start/Set/Get the Ball Rolling
Do something to begin a process
着手干，开始做；带头做
- I decided to set the ball rolling and got up to dance.
我决定带个头，就站了起来跳舞。
Heavy Hitter
A powerful, influential person
（尤指商业或政界的）大亨，要员，了不起的大人物
- Have you seen his résumé? He's a real heavy hitter.
你见过他的简历了吗？他可真是个了不起的人物啊。
Hit It Out of the (ball)Park
Succeed brilliantly
做得非常好，产生或获得特殊成就
- I'm pretty sure I hit that test out of the ballpark.
我敢肯定那次测试我做的非常好。
Jump Through Hoops
Complete a series of tasks in order to satisfy someone
克服种种障碍，越过重重关卡
- We had to jump through hoops to get my Dad admitted to hospital.
我们必须克服种种障碍才让医院收下我父亲。
Throw in the Towel
To give up, admit defeat
认输，因觉成功无望而放弃
- Three of the original five candidates for the Democratic presidential nomination have now thrown in the towel.
原来竞争民主党总统候选人提名资格的5人中有3位已经放弃了。
