SimilarityRank
it_be_difficult 0.704 31149
difficult 0.698 2515
difficult_for 0.683 44678
it_be_very_difficult 0.679 71675
be_extremely_difficult 0.673 97037
be_very_difficult 0.658 37607
be_difficult_for 0.649 52554
impossible_for 0.639 74664
very_difficult 0.637 34974
extremely_difficult 0.627 93625
it_be_hard 0.606 12868
make_it_difficult_for 0.599 43322
more_difficult 0.580 14322
be_impossible 0.580 18147
it_be_difficult_for 0.577 59077
time-consuming 0.575 22450
be_not_easy 0.572 17254
impossible 0.570 8196
difficult_to 0.570 44136
it_be_tough 0.569 29779
it_be_very_difficult_to 0.568 29790
can_be_difficult 0.568 30674
impossible_to 0.567 67438
time_consuming 0.566 21184
be_tricky 0.564 48836