make heavy demands on (v) (effort) | exigir um grande esforço de (v) (effort) |
make heavy demands on (v) (patience) | esgotar (v) (patience) |
make heavy demands on (v) (patience) | exigir demais de (v) (patience) |
make heavy demands on (v) (effort) | exigir demais de (v) (effort) |