Daily life

steam up

become covered in condensation

If glass or a surface steams up, it becomes covered with water vapour and is difficult to see through.

B1 common mostly spoken

phrasal verb

Hear it in real life

Why are you wiping your glasses?

They have steamed up since I came inside.

Play the conversation

My bathroom mirror steams up whenever I take a long shower.

The mistake everyone makes

Not: My glasses steam on when I enter the warm room.

Say: My glasses steam up when I enter the warm room.

The fixed particle is "up," not "on," when glasses become covered with condensation.

Build it

How it fits in a sentence.

my glasses steam up; the window steamed up

Your turn: say it out loud

My bathroom mirror steams up whenever I take a long shower.

Say it out loud two or three times, until it feels like yours.

steam up

become covered in condensation

“My bathroom mirror steams up whenever I take a long shower.”

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