/'saɪfn; `saɪfən/
n
1 pipe, tube, etc in the form of an upside-down U, used for making a liquid flow, eg from one container to another, using atmospheric pressure 虹吸管.
2 (also soda siphon) bottle from which soda-water can be forced out by the pressure of gas in the bottle 虹吸瓶.
3 sucking-tube of some insects and animals （某些昆虫和其他动物的）管形口器或吸管.

v (phr v) siphon sth into/out of sth; siphon sth off/out draw (a liquid) from one place to another using a siphon 用虹吸管将（液体）抽出
*siphon petrol out of a car into a can 把汽车里的汽油用虹吸管抽进罐里
* siphon off all the waste liquid 把全部废液用虹吸管抽掉. siphon sb/sth off (infml often derog 口, 常作贬义) transfer sb/sth from one place to another, often unfairly or illegally 将某人[某物]由一处抽调到另一处（通常指不公正地或非法地）
*The big clubs siphon off all the best players. 大俱乐部把所有最佳选手都抽调走了.
* She siphoned off profits from the business into her account. 她把企业的赢利转到了自己的帐户上.