In a word 总之;总而言之

In conclusion/sum

I n a word,we must leave right now.

总之，我们现在该走了。

In a word,they can do everything they like with,money.

总之，他们用金钱能够做到他们喜欢的一切。

A:How's your new boyfriend?

你的新男友怎么样?

B:Well,he's tall,handsome and gentle.

他又高又帅又温柔。

A:Wow,that's good.

太棒了。

B:In a word,he's my cup of tea,

总之，他是我的菜。