汗をかく

verb

(of body) to sweat / cold sweat / formation of moisture due to condensation of water vapor / (idiomatic) to work hard, to spare no effort

I sweat a lot when I exercise at the gym every day.

意味（1）

(of body) to sweat

Takusan ase o kaku “takanshō” toiu byōki mo aru.There is also an illness called "hyperhidrosis" when one sweats too much.

意味（2）

cold sweat

意味（3）

formation of moisture due to condensation of water vapor

ガラスが汗(あせ)をかく

garasu ga ase o kakuA lot of moisture forming on the glass

意味（4）

(idiomatic) to work hard, to spare no effort