Hard is a synonym of Severe. Severe is a synonym of Strict. Strict is a synonym of Precise. Precise is related to Distinct. 
Success can be used for Help. Success would make you want to Celebrate. 
Hard <--Synonym--> Severe <--Synonym--> Strict <--Synonym--> Precise <--RelatedTo--> Distinct 
Help <--UsedFor-- Success --CausesDesire--> Celebrate 