Crossword Genius

Mislaid one's watch and was held up? (4,4)

Ross

I believe the answer is:

lost time

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

'was held up?' is the definition.
I know nothing about this answer so I cannot tell whether this works.

'mislaid one's watch' is the wordplay.
'mislaid' becomes 'lost' ('lose' can be a synonym of 'mislay').
'one's watch' becomes 'time' (I can't justify this - if you can you should give a lot more credence to this answer).
'lost'+'time'='LOST TIME'

'and' is the link.

Can you help me to learn more?

(Other definitions for lost time that I've seen before include "Searching for this, Marcel" , "fell behind" .)

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