1 fingernail

1 first of the ten Heavenly Stems 十天干[shí tiān gān]

2 (used for an unspecified person or thing)

3 first (in a list, as a party to a contract etc)

4 letter "A" or roman "I" in list "A, B, C", or "I, II, III" etc

5 armor plating

6 shell or carapace

7 (of the fingers or toes) nail

8 bladed leather or metal armor (old)

9 ranking system used in the Imperial examinations (old)

10 civil administration unit in the baojia 保甲[bǎo jiǎ] system (old)

11 ancient Chinese compass point: 75°

1 Serie A, the top division of the Italian football league system

1 military horse

2 by extension, military matters

1 nail polish

1 to meet on the battlefield (idiom)

1 army life (idiom)

2 the experience of war

1 to lay down the pen and take up the sword (idiom)

2 to join the military (esp. of educated person)

1 to sleep on one's armor with a spear as a pillow (idiom)

2 to keep ready for battle at all times

1 to rest weapons and loosen armor (idiom); to relax from fighting