1
siphon sth out of sth
siphon 作及物动词时，后接液体等宾语，再接 out of 表示来源。
They siphoned the water out of the flooded cellar.
他们把水从被淹的地窖里抽了出来。
虹吸管
先理解核心含义，再看它在真实句子里的用法。
虹吸管
a tube that carries liquid from a higher container to a lower level by using atmospheric pressure
They siphoned the water out of the flooded cellar.
他们把水从被淹的地窖里抽了出来。
弯曲的管子,一端低于另一端,靠重力产生的静水压力使液体从一个容器流入另一个容器
A bent pipe or tube with one end lower than the other, in which hydrostatic pressure exerted due to the force of gravity moves liquid from one reservoir to another.
一根管子,从容器中的液体通到容器外较低处,使大气压将液体压过管子
a tube running from the liquid in a vessel to a lower level outside the vessel so that atmospheric pressure forces the liquid through the tube
苏打水瓶
A soda siphon.
水生动物(尤指软体动物)的管状器官,用于吸入或排出水
a tubular organ in an aquatic animal (especially in mollusks) through which water can be taken in or expelled
He used a siphon to move the fuel from the car's tank into a plastic container.
他用一根虹吸管把汽车油箱里的燃油移到一个塑料容器里。
The siphon stopped working because a piece of dirt got stuck in the tube.
因为有一块污物堵在管子里，虹吸管停止工作了。
A simple siphon can empty a fish tank in a few minutes.
一根简单的虹吸管可以在几分钟内把鱼缸的水排空。
siphon 作及物动词时，后接液体等宾语，再接 out of 表示来源。
They siphoned the water out of the flooded cellar.
他们把水从被淹的地窖里抽了出来。
siphon sth off 可拆开为 siphon off sth；接代词时须拆开，如 siphon it off。常指私自或非法转移资金等，含贬义。
He siphoned off money from the project budget.
他从项目预算中抽走了资金。
siphon 作不及物动词时，主语为液体，表示因虹吸而流动。
The water siphoned into the lower tank.
水通过虹吸作用流入了下面的水箱。
siphon 作名词时指虹吸管，常用于转移液体。
Use a siphon to empty the aquarium.
用虹吸管把鱼缸清空。
Not this
He siphoned the water out from the tank.
Use this
He siphoned the water out of the tank.
siphon 作动词时常与副词 out 搭配，再接介词 of 引出液体原来的容器；汉语的“从……出来”在英语中对应 out of，而不是 out from。
Not this
She siphoned the gasoline from the car to a can.
Use this
She siphoned the gasoline from the car into a can.
siphon 表示把液体转移到一个容器时，目的地介词要用 into，强调进入容器内部；to 只表示方向，不强调进入，所以这里用 into 更准确。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
抽走；挪用
The manager was caught siphoning off company funds.
经理被发现在挪用公司资金。
抽汽油
Someone siphoned gas from my car last night.
昨晚有人从我的车里抽了汽油。
抽水
We used a hose to siphon water out of the flooded basement.
我们用软管把淹水的地下室里的水抽了出来。
虹吸管
A siphon tube transfers liquid over a barrier by using atmospheric pressure.
虹吸管利用大气压力使液体越过障碍物进行输送。
虹吸泵
You can use a siphon pump to drain the fuel tank.
你可以用虹吸泵把油箱里的油排空。
抽取；挪用（资金等）
The manager was found to have siphoned off company money for personal use.
经理被发现挪用公司资金供个人使用。
逐渐抽走；转移
The new policy is siphoning away talent from smaller firms.
新政策正在从较小的公司抽走人才。
Use siphon naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：siphon 的首字母 S 像一根弯管，液体沿它越过高处流到低处。
语域：neutral 常见场景：laboratory experiment、equipment manual 作名词表示‘虹吸管’时，通常属于中性但略偏专业的说法，多用于物理实验、液体转移或设备说明等场景。
与 siphon 真正押韵的是 hyphen（/ˈhaɪfən/）。cipher 开头 /ˈsaɪf/ 与 siphon 相同，但结尾不同；telephone、microphone、saxophone 虽同为 -phone 拼写，但读作 /foʊn/，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.