现场表演的英文：
a on-the-spot demonstration; a live demonstration; a live show

参考例句：

Anyone who has attended a performance by Itzhak Perlman will tell you that it is exciting to watch him play.
欣赏过伊扎克?帕尔曼现场表演的人会告诉你看他的表演是如何得令人激动。

spot是什么意思：
n. 斑点；污点；场所；职位；旅游胜地
v. 弄脏；玷污；认出，发现
adj. 立即的，当场做出的
adv. 恰好，准确地

There are spots in (or on) the sum
人孰无过

It was cute of you to spot the truth.
你能发现真相真是精明的很。

To mark or mottle with spots.
有斑点，成斑驳用点作标记或使斑驳杂色

demonstration是什么意思：
n. 证明；示范；游行示威

This is a cookery demonstration.
这是次烹饪示范。

Counterdemonstration:a demonstration held in opposition to another demonstration.
反示威:与另一个示威相对立.

Demonstrators marched through the street.
示威者的队伍穿过了街道。

live是什么意思：
adj. 有生命的，活的；现场直播的
v. 生存，生活；居住；经历过；继续存在，留存

Live and let live
待人宽容如待己

They live a happy live.
他们过着幸福的生活。

Live to learn and learn to live
生而学之,学而生之