What does "stay dry" mean?

[Sengshu]

English Idioms and Expressions, Intermediate level

ESL/EFL Test #10 "Under my Skin", question 7

It was simply a case of running away or being killed and we decided to run to save our skins.

(a) to stay away
(b) to stay dry
(c) to stay clear
(d) to stay alive

English Idioms and Expressions, Intermediate level

ESL/EFL Test #10 "Under my Skin", answer 7

It was simply a case of running away or being killed and we decided to run to stay alive.

Correct answer: (d) to stay alive
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What does "stay dry" means?

[Mister Micawber]

.
Stay dry = not get wet (as from rain).
.
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Native English teacher at Mister Micawber's

[Torsten]

Hi Sengshu,

In addition to Mister Micawber's explanation I'd like to point out that your question should read What does "stay dry" mean?
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