siphon something off
phrasal verb with siphon verb [ T usually + adv/prep ] (also syphon) uk/ˈsaɪ.fən/ us/ˈsaɪ.fən/
(also syphon something off)
非法挪用（资金），侵吞
to dishonestly take money from an organization or other supply, and use it for a purpose for which it was not intended
He lost his job when it was discovered that he had been siphoning off money from the company for his own use. 他非法挪用公司钱款为己所用的行为败露后，便丢掉了工作。