hard:



Here is an example of another non-dominant hand handshape that some people use with this
sign. See how the left hand is in an "S" handshape?

"Really Hard"
Use a larger motion and more facial expression than the normal sign for hard.





Tough:




You can also use the left "S" hand for the sign TOUGH:




Difficult:
Many people use this sign to mean "problem."
Note: The signs for "tough" and difficult could be easily be confused but I
tend to use a single strong movement for tough, and a one-two movement for
difficult.





Problem:
Note: Many people use the sign "DIFFICULT" to mean
problem.
Think of the English word "difficulty." A difficulty is a
problem, no?




PHYSICS:
What does physics have to do with this page? Well physics is a
"hard" subject, heh.
Just kidding. Actually I'm including the sign PHYSICS here because I
want you to see the similarity between that sign and the above signs.
Plus I want to point out what makes it different so you can keep these signs
straight.
Notice, there is no twist to the wrists on this sign. It simply comes together, separates an inch and comes together again.



