informal

something that you say in order to show sympathy to someone who has the same problem or bad experience as you.

'I've got so much work to do.' 'Tell me about it!'

• on the heels of something
• on the hoof
• on the horizon
• on the horns of a dilemma
• on the hour
• on the house
• on the job
• on the lam
• on the level
• on the line
• on the loose
• on the margins of
• on the margins of something
• on the market
• on the mend
• on the merits
• on the money
• on the move
• on the nail
• on the never-never
• on the nod
• on the nose
• on the off-chance
• on the off chance
• on the one hand