Meaning of "he couldn't part with it"

[Ljiljan Maksimovich]

English Language Tests, Intermediate level

ESL/EFL Test #199 "Phrasal Verbs (T)", question 3

Marg wanted to ......... the old sofa but her husband couldn't part with it.

(a) throw out
(b) throw up
(c) throw down

English Language Tests, Intermediate level

ESL/EFL Test #199 "Phrasal Verbs (T)", answer 3

Marg wanted to throw out the old sofa but her husband couldn't part with it.

Correct answer: (a) throw out

Your answer was: correct
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What does it mean "he couldn't part with it"?

Thanks
Ljiljan

[Mister Micawber]

.
part with = give up what is not strictly needed.
.
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Native English teacher at Mister Micawber's