sharpen (someone's) focus

Translations
усилить (чье-то) внимание
The coach's advice helped sharpen her focus during the competition.
Советы тренера помогли ей усилить внимание во время соревнований.
Definitions
To enhance or clarify someone's concentration or attention on a specific task or goal, often by providing guidance or eliminating distractions.
Words
sharpen

verb
обострить
someone

pronoun
кого-то
is

functional word
есть
focus

noun
внимание