nǐng kāi
to unscrew
to twist off (a lid)
to turn on (a faucet)
to switch on (by turning a knob)
to turn (a door handle)
to wrench apart
mǎn nǐng
totally inconsistent
completely at odds
níng chéng yī gǔ shéng
to twist together to form a rope
(fig.) to unite
to work together