Terms for subject Idiomatic containing hard-to

English	Russian
a hard nut to crack	стреляный воробей (Andrey Truhachev)
a hard nut to crack	рысь битая (Alex_Odeychuk)
a hard nut to crack	тёртый калач (Andrey Truhachev)
a hard pill to swallow	переварить непросто (= a bitter pill to swallow: It was a hard pill to swallow learning that my father's fortune had been squandered thefreedictionary.com Shabe)
hard act to follow	пример, которому сложно подражать в силу его великолепия (Dessinee au The)
hard to come by	трудно встретить (Val_Ships)
hard to come by	найти весьма трудно (If something is hard to come by, it is difficult to find. Val_Ships)
hard to put finger on	трудно почувствовать (Your hesitation may be hard to put your finger on, but it's there for a reason. VLZ_58)
hard to put finger on	трудноосязаемый (VLZ_58)
have a hard row to hoe	приходится нелегко (votono)
he is hard to deal with	с ним каши не сваришь (Также используется вариант "с ним пива не сваришь".)
it's a hard journey to convince	убедить в ... – непростое дело (that ... – в том, что ... Alex_Odeychuk)
it's hard to get on with such a man	два медведя в одной берлоге не живут (Alex_Odeychuk)
it's hard to move the needle	трудно сдвинуть это дело с мёртвой точки (Fortune)
it's not hard to find common ground	общий язык найти не трудно (CNN Alex_Odeychuk)
would be hard pressed to do something	трудно (You would be hard-pressed to find a better solution. [=it would be difficult to find a better solution] VLZ_58)
would be hard pressed to do something	непросто (VLZ_58)