Spooner’s instruction to amphibious car driver to take a break and check the vehicle (4-4)
I believe the answer is:
road-test
'check the vehicle' is the definition.
The definition and answer can be both related to thinking as well as being singular nouns.
Maybe there's an association between them I don't understand?
I cannot understand how the rest of the clue works.
Can you help me to learn more?
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