1 some

2 a certain

3 sb or sth indefinite

4 such-and-such

1 fingernail

1 nail polish

1 some

2 certain (things)

1 someone

2 a certain person

3 some people

4 I (self-address after one's surname)

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

1 to put down weapon and let soldiers rest (idiom); to relax from fighting

1 one man's meat is another man's poison (idiom)

1 to be pregnant (idiom)