hard to put into words hard to put it hard to quantify hard to quit hard to raise hard to reach hard to read hard to realize hard to rebuild hard to recall hard to recognise hard to recognize hard to reconcile hard to recover hard to reduce hard to refuse hard to refute hard to regain hard to relate hard to relax hard to remember hard to remove hard to repair hard to replace hard to replicate hard to resist hard to resolve hard to respect hard to return hard to reverse hard to run hard to satisfy hard to save hard to say hard to say good-bye hard to say goodbye hard to say it hard to score hard to secure hard to see hard to see what hard to see you hard to sell hard to separate hard to serve hard to set hard to set up hard to shake hard to shake off hard to share hard to shoot hard to shop hard to show hard to shut hard to sing hard to sit hard to sleep hard to sleep when hard to smile hard to sneak hard to solve hard to speak hard to spend hard to spot hard to stand hard to stand out hard to starboard hard to start hard to stay hard to stay alive hard to stay away hard to stay focused hard to stay mad hard to steer hard to stick hard to stomach hard to stop hard to study hard to succeed hard to support hard to suppress hard to surprise hard to survive hard to sustain hard to swallow hard to take hard to take care hard to talk hard to talk to you hard to teach hard to tell hard to tell apart hard to tell how hard to tell me hard to tell the difference hard to tell them hard to tell when hard to tell who hard to tell you