Keywords: difficulty, difficult, hard, arduous, strenuous, strict, harsh
Sign Definition
As a Noun
                                            1.  The degree or amount to which something requires effort to do. English = difficulty.
                                          
                                          
                                        As a Verb or Adjective
                                            1.  To involve a lot of effort or energy and to be not easy to do, understand, or solve. English = (be) difficult, (be) hard.
                                          
                                          
                                        
                                            2.  To be tiring and involving a lot of effort. English = (be) arduous, (be) strenuous.
                                          
                                          
                                        
                                            3.  Of a person (especially one in authority), to not tolerate impolite or disobedient behaviour and to insist that others follow the rules without exception. English = (be) strict, (be) hard, (be) harsh.
                                          
                                          
                                         
                  
                      