let me see

Short definition from Wiktionary

Phrase

1. 1
   Used as a filled pause to indicating thinking or pondering, not inviting hearer to participate.
2. 2
   Used when pondering the results of an action one is doing, or to politely ask for permission to do something
3. 3
   Used to indicate incredulity; wait a minute; hold on
4. 4
   Used other than figuratively or idiomatically: see let, me, see.