Examples:

• My life hasn't exactly been a bed of roses.
• It pays okay but it's no bed of roses.
• But life is never just a bed of roses.
• Real life isn't a bed of roses.
• I think I'll have that captain on a bed of roses.
• Tonight I feel like a thorn amongst a bed of roses.
• Nobody said life was a bed of roses.
• Oh, this is like a bed of roses.
• Nowadays, advertising is no longer a bed of roses.
• There are indications that her life's not been a bed of roses.