Meanings

commander (JMSDF)

first lieutenant (JGSDF)

technical sergeant (JASDF)

sergeant first class (JGSDF)

you are only young once

daini (type of playing cards)

Nihi (the two former provinces of Hizen and Higo)

recent graduate looking to change jobs

second-degree murder (in US, etc. law)

second player (out of three)

four-of-a-kind and a pair in a dealt hand

hidden double eyelid

firstly vision, secondly footwork, thirdly courage, fourthly technique (the most important aspects of kendo)

double dip

being victimized after reporting sexual or other harassment

carbon dioxide fixation

double torture

suspensory muscle of the duodenum

type 2

duodecimal system