The grass is always greener (on the other side of the fence).

something that you say which means that other people always seem to be in a better situation than you, although they may not be.

And when I haven't been out for a while I start to envy Miriam with her great social life. Oh well, the grass is always greener.

• down on luck
• down on someone
• down on something
• down on your luck
• down the drain
• Down the hatch!
• down the line
• down the pike
• down the road
• down the toilet
• down the tube
• down the tubes
• down-to-earth
• down tools
• down to the wire
• Down Under
• do you have the time
• do you know something
• Do you mind!
• do you mind
• do your best
• do your bidding
• do your bit
• mind your own business
• Mind your own business!