paint (someone/something) with the same brush

to say that someone or something has the same bad qualities as someone or something else.

When one swimmer uses banned substances, you feel sorry for the others because they are all tarred with the same brush.

• the last gasp of something
• the last minute
• the last of the big spenders
• the last straw
• the last word in
• the last word in something
• the law of averages
• the law of the jungle
• the lay of the land
• the least can do
• the least you can do
• the left hand doesn't know what the right hand is doing
• the lesser of two evils
• luck into something
• luck of the draw
• luck out
• lull before the storm
• lull into
• lull into a false sense of security
• lull into doing something
• lull into something
• lull someone into a false sense of security
• lull you into
• lull you into doing something
• lull you into something