You must draw off the excess water from the tank.
draw off
idiomTo remove by using a siphon.
The mechanic had to draw off the old oil before he could refill the engine.
The technician carefully drew off the chemical solution into a separate container to prevent any contamination of the primary sample.
- 01
draw a blank
To be unable to recall a required piece of information.
- 02
draw a line
To delimit a boundary or border.
- 03
draw a long bow
To lie; to exaggerate.
- 04
draw a straight furrow
To live correctly or ethically, without deviating from the right line of duty.
- 05
draw even
To attain the same level as a competitor.
- 06
draw fire
To create a distraction that allows one's friends, co-workers, or other associates to gain an advantage over the distracted party.
- 07
draw in
To attract.
- 08
draw one's last breath
To die.