It can be lost at last (3)

I believe the answer is:

bet

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'it' is the definition.
The definition suggests a singular noun which matches the answer.

'be lost at last' is the wordplay.
'at last' suggests the final letters.
The final letter of 'lost' is 't'.
'be'+'t'='BET'

'can' acts as a link.

Can you help me to learn more?

(Other definitions for bet that I've seen before include "'Stake, wager (3)'" , "Money risked on a gamble" , "Wager, back" , "Wager, or the sum waged" , "Wager, speculate" .)

I've seen this clue in the Evening Standard.

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