I don't understand

(Wah-kah-rah-nai)

Say it again?

(Moh ee-chi-doh ee-teh?)

Speak slowly

(Yook-koo-ree hah-nah-shee-teh)

English OK?

(Ay-go deh OK?)

Can't be helped! (Popular saying meaning 'oh well!')

(Shoh-gah-nai)

Sorry/Excuse me

(Soo-mee-mah-sen)