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It's a bit fishy lying in such a nervous way (5)

Ross

I believe the answer is:

shyly

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'such a nervous way' is the definition.
I can't tell whether this definition defines the answer.

'it's a bit fishy lying in' is the wordplay.
'it's a bit' indicates the answer is hidden within the clue (the answer is formed by a bit of the clue).
'SHYLY' is hidden within 'fishy lying in'.

Can you help me to learn more?

(Other definitions for shyly that I've seen before include "In reserved way" , "In a timid manner" , "Nervously, timidly" .)

I've seen this clue in The Globe and Mail.
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