The drains smell.

He hadn't washed for days and was beginning to smell.

他好久没洗澡了，身上都有味儿了。

He could always smell out fear.

别人有什么恐惧，他总能觉察到。

...horrible smells...

难闻的气味

He knew virtually nothing about music but he could smell a hit.

他对音乐几乎一窍不通，却预感到它将会大受欢迎。

a bunch of sweet-smelling flowers

一束散发着馨香的花

I took a fresh rose out of the vase on our table, and smelled it.

我从饭桌上的花瓶里抽了一只新鲜的玫瑰，闻了闻。

a sweet/fresh/musty smell

香甜的 / 新鲜的 / 发霉的气味

I can smell trouble.

我感觉会有麻烦。

a faint/strong smell of garlic

淡淡的 / 浓重的蒜味

The room smelled of lemons...

房间里有股柠檬的味道。

Ma threw that out. She said it smelled...

妈把那玩意扔出去了，她说它有股怪味。

Can you smell something burning?

你有没有闻到什么东西烧焦了？

As soon as we opened the front door we could smell the gas.

我们一打开前门，就闻到了煤气的味道。

dogs trained to smell out drugs

受过训练的缉毒犬

...the smell of freshly baked bread.

新鲜出炉的面包的香味

...people who lose their sense of smell.

丧失了嗅觉的人

I bent down to smell the flowers.

我弯下腰闻花香。

He smelt danger.

他意识到了危险。

Do my feet smell?

我的脚臭吗？

It smells in here.

这儿有一股难闻的气味。