| anstrengend |
| anstrengend Âstressig Âstressvoll |
| anspruchsvoll Âanstrengend Âaufwändig Âaufwendig Âfordernd Âheavy (umgangssprachlich) Âmühsam Âschwierig |
| anstrengend stressig stressvoll |
| Arduously (adv.) In an arduous manner |
| arduously | in an arduous manner, they worked arduously |