Work a treat British verb phrase UK informal
To work or perform flawlessly or smoothly.
The new computers seem to work a treat, but everyone's worried.
The computer engineer is responsible for making sure that software works a treat on existing hardware.
The aircraft engines didn't work a treat, so we need to check them.
actions are more important than words
To work very diligently and energetically
To work extremely hard
To work or do your job
Use most of one's time working for others
The verb "work" should be conjugated according to its tense.