diffizil (a) (schwierig) | difficult (a) (schwierig) |
diffizil (a) (problem) | intricate (a) (problem) |
diffizil (a) (schwierig) | tricky (a) (schwierig) |
diffizil (a) (problem) | complex (a) (problem) |
diffizil (a) (problem) | difficult (a) (problem) |
diffizil (a) (schwierig) | delicate (a) (schwierig) |
diffizil (a) (problem) | hard to understand (a) (problem) |