classical:
Scotty: When are you going to get off that milk diet, lad?
Chekov: This is vodka.
Scotty: Where I come from, that's soda pop.
[
Scotty raises his glass]
Scotty : Now this is a drink for a man.
Chekov: Scotch?
Scotty: Aye.
Chekov: It was invented by a little old lady from Leningrad.
Alice 1: You desire something else, lord?
Chekov: What a shame you're not real.
Alice #251 : We are real, my lord.
Chekov: Oh, I mean 'real girls'.
Alice #1 : We are programmed to function as human females, lord.
Chekov: You are?
Alice #1 ,
Alice #251 : [
In unison] Yes, my lord.
Chekov: Harry Mudd programmed you?
Alice #1 ,
Alice #251 : [
in unison] Yes, my lord.
Chekov: That unprincipled, evil-minded, lecherous, kulak, Harry Mudd programmed you?
Alice #1 ,
Alice #251 : [
In unison] Yes, my lord.
Chekov: This place is even better than Leningrad.
Kirk: There's an old saying: when you have a Klingon by the tail...
Chekov: Klingons have tails?
Chekov: It is... it is a sparkle dancer!
"Star Trek: Spectre of the Gun (#3.6)" (1968)
Capt. Kirk: [
Sylvia is kissing Chekov passionately] Eh, Mr. Chekov?
Chekov: What can I do, Keptin? You know we're always supposed to maintain good relatoins with the natives.