have (your) beady eye on (something/someone)

humorous

to watch someone or something very carefully.

We'd better not talk - Miss Stricket's got her beady eye on us.

• not give something house room
• not give the time of day
• not give tuppence
• not go a bundle on
• not go a bundle on something
• not go amiss
• not hack it
• Not half!
• not half
• not half bad
• no thanks to
• no thanks to someone
• no thanks to something
• not have a bean
• not have a bone in body
• tow the line
• toy boy
• to your face
• to your fingertips
• to your heart's content
• toy with
• toy with someone
• toy with something
• track down
• track down someone