Taking only shaky steps can be a nuisance (5)

I believe the answer is:

pests

I'm a little stuck... Click here to teach me more about this clue!

'can be a nuisance' is the definition.
I can't tell whether this defines the answer.

'taking only shaky steps' is the wordplay.
'steps' anagrams to 'PESTS'.
Though, I'm unsure how the anagram is indicated.

Can you help me to learn more?

(Other definitions for pests that I've seen before include "Persistently annoying persons" , "Steps taken about nuisances" , "Steps (anag.)" , "Take steps to troublesome animal." .)

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