Counting, calculation

Saint Petersburg (a federal city of Russia)

two days, a two-day period / the second day after some set point in time / the second day of the month

(linear algebra) upper triangular matrix

arrival

Tōhoku dialect

運動音痴: one who is bad at athletics; one who has poor athletics skill

Watch yourself, be careful, literally, "keep your health" / take care (used when parting)

police dog

attach, affix, stick, fasten, add, add on, append; set, put, put one thing on another / apply, put on / leave a mark on / write, make an entry / give, impart, direct, direct one's attention