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#furrowed brow #brow lines #annoyed face #concentration face #serious face

🤔😕

#froening face #thinking frown #concentration face #confused frown #puzzled face #furrowed brow

👀😑🎯

#focused athlete #concentration face #eye on the prize #target locked #serious athlete #sports focus

🕺😖/💃😖

#dance face #intense dance #dancing expression #effort face #concentration face #dance grimace #stank face

🤨🚧💦

#facing challenge #problem solving face #concentration face #stressed focus #test subject

🤓💻💀

#study focus #work focus #all-nighter #concentration face #grind mode