drain from (someone or something)
1. To flow or move away from something, as of a liquid. Don't worry, once the rain stops, all of this water will drain from the sidewalk.
2. To cause a liquid to flow or move out of someone or something. In this usage, a noun or pronoun can be used between "drain" and "from." Ever since that football injury, I have to go to the doctor every so often to get fluid drained from my knee. I had to drain the broth from the noodles, or else my daughter wouldn't eat the soup.
drain something from someone or something
to cause something to flow out of someone or something. The farmers drained the water from the flooded fields. The doctor drained the fluids from Roger after his operation.
drain from something
to flow out of something. All the dirty oil drained from the engine. The milk drained from the leaky container and covered the bottom of the refrigerator.