Hell0!!!!! 
Everybody think that tell joke is very difficult.. why? because sometime they're laugh sometime they're not.. why like that? i think because of us
... we don have sense to make them laugh... i don know that what i think is right or wrong but it's just my idea.. As one person ask that how can to make foriegner laught when we told them a joke?
because she/he don have sense to make them laugh... 

Everybody think that tell joke is very difficult.. why? because sometime they're laugh sometime they're not.. why like that? i think because of us
... we don have sense to make them laugh... i don know that what i think is right or wrong but it's just my idea.. As one person ask that how can to make foriegner laught when we told them a joke?
because she/he don have sense to make them laugh... 
