Wordnet 3.0
NOUN (2)
1. 
 a difficulty that can be overcome with effort; 
- Example: "we had a hard time getting here"- Example: "analysts predicted rough sledding for handset makers"[syn: hard time, rough sledding]
2.  a term served in a maximum security prison; 
WordNet (r) 3.0 (2006):
hard time
    n 1: a difficulty that can be overcome with effort; "we had a
         hard time getting here"; "analysts predicted rough sledding
         for handset makers" [syn: hard time, rough sledding]
    2: a term served in a maximum security prison