Expecting Lima to fight (4)
I believe the answer is:
duel
'fight' is the definition.
(duel is a kind of fight)
'expecting lima' is the wordplay.
'expecting' becomes 'due' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'lima' becomes 'L' (phonetic alphabet: alpha, bravo, charlie etc.).
'due'+'l'='DUEL'
'to' is the link.
Can you help me to learn more?
(Other definitions for duel that I've seen before include "Potentially fatal fight between two people" , "honourable affair" , "shoot-out?" , "Single combat" , "Fight between two persons" .)