Yes, and one can try too hard. Company policy was multi lingual cabin address from flight deck.
Party of japanese tourists on board.
Basil: "おはよう (Ohio gozaimas - good morning) etc etc."
Stewardess: "Party leader would like to visit flight deck."
Basil: "OK." (Thinks 'prob to congratulate Bas on spoken Jap')
PL: "We not fry tree hunred kirometer hour?"
Basil: "No, we'd fall out of sky - speed about 1000 kph."
PL: "Ah goot, becausa you say 'tree hunred kirometer hour'."
Basil: "Oh." (Thinks 'wonder what else I said' - no reports of panic from cabin so must have been reasonably OK)
FO: Thinks 'Silly old codger - knew he'd stuff up!'
Basil: