Why not hammer? Is a hard berate?

[Adda]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #559 "English Slang Idioms (197)", question 2

"Wow, he really did a ......... on you, didn't he. I heard him berate your performance, your attitude, your attire, your lack of public speaking ability and your intelligence. That was quite cruel of him to take you apart like that," Matt said to Lewis when he got back from the boss's office.

(a) hammer
(b) job
(c) steam roller
(d) destruction

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #559 "English Slang Idioms (197)", answer 2

"Wow, he really did a job on you, didn't he. I heard him berate your performance, your attitude, your attire, your lack of public speaking ability and your intelligence. That was quite cruel of him to take you apart like that," Matt said to Lewis when he got back from the boss's office.

Correct answer: (b) job

Your answer was: incorrect
"Wow, he really did a hammer on you, didn't he. I heard him berate your performance, your attitude, your attire, your lack of public speaking ability and your intelligence. That was quite cruel of him to take you apart like that," Matt said to Lewis when he got back from the boss's office.
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why not hammer?Is a hard berate

ada

[Linda]

This is an idiom - "He really did a job on you." It means a person was very hard/critical on/about another person.
Another idiom that has the same meaning is: "He really hammered on you."
In this case, the correct answer cannot be "hammer (verb)" because the article "a" comes before the correct word "job."
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