SimilarityRank
a_difficult 0.748 12053
tricky 0.746 23559
a_complicated 0.605 52032
difficult 0.588 2515
be_tricky 0.572 48836
be_a_tough 0.572 36164
can_be_tricky 0.571 72729
it_be_a_tough 0.567 93393
a_tough 0.565 26323
very_difficult 0.563 34974
an_awkward 0.558 82144
a_challenging 0.554 34700
a_tense 0.552 94408
perilous 0.542 65016
a_dangerous 0.541 16521
a_delicate 0.538 53325
a_straightforward 0.530 42700
daunting 0.529 43508
a_bit_of_a 0.528 12046
a_messy 0.527 92668
a_nasty 0.526 69511
frustrating 0.525 15978
complicated 0.516 9149
a_clever 0.515 42859
the_most_difficult 0.514 35489