sap (someone's) strength

Translations
ослаблять силы (кого-то)
The illness sapped his strength over time.
Болезнь со временем ослабила его силы.
Definitions
To sap someone's strength means to gradually weaken or drain their energy, vitality, or resolve, often through persistent stress, pressure, or fatigue.
Words
sap

verb
истощать
someone

pronoun
кого-то
s

article or possessive pronoun
чей-то
strength

noun
силы