SimilarityRank
the_hard_part 0.766 66943
the_hard_thing 0.646 86990
the_hard_part_be 0.631 92576
the_big_challenge 0.609 19695
be_the_most_difficult 0.607 91080
be_not_easy 0.594 17254
the_most_important_part_of 0.587 65434
the_most_difficult 0.542 35489
difficult 0.528 2515
can_be_hard 0.526 97851
can_be_difficult 0.525 30674
big_challenge 0.521 46944
be_extremely_difficult 0.512 97037
it_take_a_lot_of 0.512 41631
be_very_difficult 0.508 37607
the_most_rewarding 0.506 96855
be_not_always_easy 0.505 89460
the_most_challenging 0.505 54484
a_lot_of_work 0.505 37666
the_most_important_aspect_of 0.503 62187
be_tricky 0.501 48836
be_tough 0.501 11759
more_difficult 0.494 14322
the_great_challenge 0.493 32862
be_easy_than 0.493 81734