whiff

浓烈的气味

a powerful and easily noticeable smell

强烈且容易察觉的气味

微弱的气味

a smell that is not strong or clear

不强烈或不清晰的气味

轻微的气味

a small and barely noticeable smell

微小且几乎察觉不到的气味

明确无误的气味

a smell that is very clear and cannot be mistaken for anything else; often used figuratively

非常清晰、不会被误认的气味；常用于比喻

深吸一口气味

used with verbs like 'take' to mean inhaling a smell deeply

与'take'等动词连用，表示深深地吸入一种气味

一有...的苗头

as soon as there is the first sign of something (figurative)

一旦出现某事物的最初迹象（比喻）

一有最微弱的...迹象

at the slightest sign or suggestion of something (figurative)

一有某事物最轻微的迹象或暗示（比喻）

哪怕只有一丝...的迹象

at even the smallest sign or hint of something (figurative)

即使只有某事物最微小的迹象或暗示（比喻）

…的气味

used to indicate the source or type of the smell

用于指明气味的来源或类型

闻到一股气味

to suddenly notice a smell

突然闻到一种气味

闻到一下

to manage to smell something for a short time

在短时间内设法闻到某种东西

闻一下

to deliberately inhale in order to smell something

为了闻某种东西而故意吸气

察觉到气味

to notice or discover a smell, especially one that is not obvious

注意到或发现一种气味，尤指不明显的气味

带有一丝...的意味

to have a quality or suggestion of something, often used figuratively

具有某种事物的特质或暗示，常用于比喻