我曾抓到一条活鱼。

Once I caught a fish alive.

这是一条活鱼（一只活老鼠）。

This is a live fish/ mouse.

篮子里有一条活鱼。

There is a live fish in the basket.

被一个男子逼着摸一条活鱼，真是恶心死了

By a guy who made me touch a live fish. it was disgusting!

这次演唱会将进行实况转播。那是一条活鱼。

They gave live broadcast while the performances were in process on the stage.

我去购物，你需要买什么吗？——我晚饭需要一条活鱼。

I will go shopping. What do you need? —I need a live fish for supper.