ěr mù
eyes and ears
sb's attention or notice
information
knowledge
spies
méi mu
progress
prospect of solution
sign of positive outcome
Dà mu zhǐ
Tom Thumb (small person in folk tales)
chī mu hū
(dialect) gum (in one's eyes)
shù qǐ dà mu zhǐ
to give a thumbs-up
to express one's approval