ذاقَ الأمَرَّين - قَاسَى الأمَرِّين
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If you run the gauntlet, you go through an unpleasant experience in which a lot of people criticize or attack you.
https://www.collinsdictionary.com/dictionary/english/to-run-...
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run the gauntlet
To be exposed to or forced to endure a series of threats, dangers, criticism, or other problems. Refers to an old military punishment in which one was forced to run between two lines of soldiers while being thrashed with rods or whips. Medical students often feel that they have to run the gauntlet when they become residents in a hospital. The director has been running the gauntlet of fans' outrage following the release of his latest film.
https://idioms.thefreedictionary.com/run the gauntlet
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"Run the gauntlet means to suffer punishment by gantlet or to endure an ordeal or onslaught. Gantlet was the original spelling of gauntlet, meaning a form of punishment in which people armed with sticks or other weapons arrange themselves in two lines and beat a person forced to run between them. Gauntlet, in this case, is a corruption of the Swedish word gatlopp, meaning this particular military punishment. Today, running the gauntlet is more often done in a figurative sense rather than a literal sense."
https://grammarist.com/idiom/run-the-gamut-vs-run-the-gauntl...