Rack one's brain

From Fresh Dictionary

English

Verb

rack one's brain

1. ((idiomatic{{#if:|, {{{2}}}{{#if:|, {{{3}}}{{#if:|, {{{4}}}{{#if:|, {{{5}}}{{#if:|, {{{6}}}{{#if:|, {{{7}}}{{#if:|, {{{8}}}{{#if:|, {{{9}}}}}}}}}}}}}}}}}}})) To struggle to think of or remember something.

   I have been racking my brain all day trying to think of a birthday present for her.

Translations

• Russian: ломать голову