1 That kind of chance comes once in a blue moon.

2 Once in a blue moon you get some problems.

3 I see her once in a blue moon.

4 It only happens like this once in a blue moon.

5 We go out to eat once in a blue moon.

6 That happens only once in a blue moon, when the weather is cold enough and thus the ice thick enough.

7 Once in a blue moon Eric will offer to help with the dishes, but usually he doesn't do any housework at all.

8 So now he just comes round once in a blue moon.

9 Once in a blue moon the addressing system itself changes.

10 He gets drunk only once in a blue moon.

11 This is a chance once in a blue moon.

12 Such a chance comes once in a blue moon.

13 That sort of thing only happens once in a blue moon.

14 He gives us a treat only once in a blue moon.

15 Eg . Seeing the partial eclipse is once in a blue moon.

16 It is once in a blue moon that you get a chance.

17 Great writers like Mark Twain only appear once in a blue moon.

18 You get a chance like this only once in a blue moon.

19 It was an opportunity that comes once in a blue moon.

20 My sister lives in Alaska,[] so I only see her once in a blue moon.

21 And Eleanor was damn lucky to have him as an escort once in a blue moon.

22 I used to spend a lot of time in London, but now I only go there once in a blue moon.

23 Coin collecting is interesting, but you find a real valuable coin only once in a blue moon.

1 That kind of chance comes once in a blue moon.