Idiom of the week – Go through the roof
Posted by englishlessons on December 26, 2012
increase to a very high level
Construction costs have gone through the roof, so it will cost more than we expected to finish this building project.
It has been very hard to find qualified workers in this field. Consequently, salaries have been going through the roof.
Note: This idiom can also be used to refer to rising anger. For example: When he found out his son had wrecked the car, he went through the roof.
Picture something rising as high as the roof line of a building.
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