How to say “Please wait at the teller counter; she's still counting the previous customer's deposit.” in Japanese
In Japanese
窓口で少々お待ちください。まだ前のお客様が預けたお金を数えているところです。
Madoguchi de shōshō omachi kudasai. Mada mae no okyakusama ga azuketa okane o kazoete iru tokoro desu.