sniff

音標(biāo)發(fā)音

sniff的基本意思是“聞,嗅”,指將鼻子貼近某人或某物,通過嗅覺器官來對(duì)其進(jìn)行判斷,可以表示“嗅”的動(dòng)作,也可以表示“嗅出”的結(jié)果。引申可指“喘粗氣”“覺察到”。
sniff可用作及物動(dòng)詞,也可用作不及物動(dòng)詞。用作及物動(dòng)詞時(shí),後接名詞或代詞作賓語,有時(shí)還可以接以形容詞充儅補(bǔ)足語的複郃賓語。
sniff可以引出直接引語,意思是“哼了一聲說道”。

to smell something by taking air in through your nose
a quick breath in through the nose to smell something, or to stop liquid in the nose from coming out

When you sniff, you breathe in air through your nose hard enough to make a sound, for example, when you are trying not to cry, or in order to show disapproval.
Sniff is also a noun.
If you sniff something or sniff at it, you smell it by sniffing.
You can use sniff to indicate that someone says something in a way that shows their disapproval or contempt.
If you say that something is not to be sniffed at, you think it is very good or worth having. If someone sniffs at something, they do not think it is good enough, or they express their contempt for it.
If someone sniffs a substance such as glue, they deliberately breathe in the substance or the gases from it as a drug.