with obj.
1- extinguish (a candle)熄灭, 掐灭（蜡烛）：
a breeze snuffed out the candle.
一阵风吹灭了蜡烛。
1.1
- informal put an end to (something) in a brutal manner〈非正式〉凶残地终结（某物）：
his life was snuffed out by a sniper's bullet.
他被狙击手的一颗子弹无情地夺去了生命。
1.2
snuff it
Brit. informal die〈英, 非正式〉断气, 死。
1.3
- dated trim the charred wick from (a candle)〈旧〉剪烛花。
- the charred part of a candle wick烛花。
词源
late Middle English: of unknown origin.
mass noun
- powdered tobacco that is sniffed up the nostril rather than smoked鼻烟：
a pinch of snuff.
一撮鼻烟。
with obj.
1- inhale or sniff at (something)吸入; 嗅（某物）：
they stood snuffing up the keen cold air.
他们站在那儿呼吸凛冽的冷空气。
1.1
- no obj. archaic sniff up powdered tobacco〈古〉吸鼻烟。
短语
up to snuff
informal <非正式>
1
- up to the required standard合乎标准, 达标：
they need a million dollars to get their facilities up to snuff.
他们需要100万美元才能使设备合乎标准。
1.1
- in good health身体状况良好的：
he hadn't felt up to snuff all summer.
他整个夏天身体都不太舒服。
2
- Brit. archaic not easily deceived; knowing〈英, 古〉不易受骗的; 精明的：
an up-to-snuff old vagabond.
一个精明的老流浪汉。
词源
late Middle English (as a verb)： from Middle Dutch snuffen 'to snuffle'. The noun dates from the late 17th cent. and is probably an abbreviation of Dutch snuftabak.