deutschdictionary
verb
(TO MAKE SOMETHING MORE SOLID)
The weather is getting colder, I need to harden myself. - Das Wetter wird immer kälter, ich muss mich abhärten.
(TO MAKE SOMEONE OR SOMETHING STRONGER)
The coach wants to toughen the players to make them more resilient. - Der Trainer will die Spieler abhärten, um sie widerstandsfähiger zu machen.