To take pot luck - definition

[rich7]

Test No. incompl/advan-57 "Lucky You", question 8

He just couldn't make up his mind which to choose and so in the end he decided to take ......... luck.

(a) pot
(b) tin
(c) can
(d) box

Test No. incompl/advan-57 "Lucky You", answer 8

He just couldn't make up his mind which to choose and so in the end he decided to take pot luck.

Correct answer: (a) pot

Your answer was: incorrect
He just couldn't make up his mind which to choose and so in the end he decided to take box luck.
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could you help me with this expression?

By the way the translations features are not exactly correct well at least in spanish.

[Alan]

This expression means leave the result to chance without worrying about the consequences.
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English as a Second Language
You can read my ESL story A day in the life of a parliamentary candidate