to be good enough.

I have to watch my staff all the time to keep them up to the mark.

The efforts of the security services have not been quite up to the mark. (often negative)

• put lead in pencil
• put lead in your pencil
• put life in hands
• put life in someone's hands
• put life on the line
• put mind at ease
• put mind at rest
• put mind to it
• put money on someone
• put money on something
• put money where mouth is
• put money where your mouth is
• put neck on the block
• put neck on the line
• put nose out of joint
• put oar in
• put off stride
• put off their stride
• put off the scent
• put on a brave face
• put on a brave front
• put on a collision course
• put on a front
• put on a pedestal
• put on edge