穴

Proverb

a small leak will sink a great ship

Geology

blowhole

Proverb

a small leak will sink a great ship

Okuninushi; deity of magic and medicine later viewed as equivalent to Daikokuten and celebrated at Izumo Grand Shrine

bear that hasn't entered hibernation

Proverb

out of the frying pan into the fire; out of the tiger's mouth into the dragon's den

hexagon socket head; Allen socket head

hex socket head cap bolt

Idiomatic expression

to have a narrow view of things; to peep at the sky through a keyhole

Idiomatic expression

(villains) of the same stripe; birds of a feather; raccoon dogs of the same hole

perforated ladle; slotted spoon

pinhole camera

American badger (Taxidea taxus)

Idiomatic expression

to have a narrow view of things

split-eye needle

needle with a normal eye

Japanese badger (Meles meles anakuma)

lava cave

cross-head screw; Phillips-head screw; Phillips screw

snake hibernation

snubnosed eel (Simenchelys parasitica)

double penetration

Idiomatic expression

(villains) of the same stripe; birds of a feather; foxes of the same hole

Idiomatic expression

to have a narrow view of things; to peek at the sky through the eye of a needle