Japanese phrase
あと___個足りません。 a to ___ ko ta ri ma se n
Meaning
We are ___ items short.
When to use it
States that the needed number of items has not been reached. It calmly shows that a few more are needed in a familiar situation.
Example dialogue
積み木を五個置いたよ。 tsu mi ki o go ko o i ta yo
I put out five blocks.
あと二個足りません。 a to ni ko ta ri ma se n
We are two blocks short.