Meanings

Fujiko Mine (Lupin III)

right away

unhesitatingly

a word or two

killing two birds with one stone

it's good to have a girl first and then a boy

Second Industrial Revolution

two months

second week's memorial services

one of two (possibilities, alternatives, etc.)

both

both

fairly long period of time

two

just the two of them

nickname

together (of two people)

unique

futakuchi-onna

riding double (on a bicycle, motorcycle, etc.)