Test the waters first

[roman]

Test No. incompl/inter-59 "Testing, Testing", question 3

I think you're wise to find out first before you agree and believe it's a good idea to test the ......... first.

(a) waters
(b) springs
(c) rivers
(d) lakes

Test No. incompl/inter-59 "Testing, Testing", answer 3

I think you're wise to find out first before you agree and believe it's a good idea to test the waters first.

Correct answer: (a) waters

Your answer was: correct
_________________________

meaning of the waters first-

[Alan]

This expression means: you should first do some investigations before you make a decision.
_________________
English as a Second Language
You can read my ESL story Relative Pronoun