Refers to enduring difficult situations without giving up, often linked to showing determination. He decided to stick it out in the tough training camp to prove his resilience.
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Emotional nuance
Conveys a sense of struggle or discomfort yet also implies hope for a positive outcome or resolution. Despite the project setbacks, the team chose to stick it out, expecting success.
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Common phrasal use
Often used when encouraging oneself or others to remain in a challenging scenario. I know the training is tough, but you've got to stick it out.