muddled; confused; dumb

dark; dim; dull

hidden; secret; secretly

to stab in the back; to kill secretly

complete darkness; total absence of justice

shadow; umbra

from a secret place; secretly, inwardly, on the sly

dun

to become pregnant due to an premarital or extramarital affair [syn.] also 珠胎暗結

dusky; dark; dim

covered or veiled button

dark

a bunker

dark colors

gloomy; grey; murky

there is always other avenues, other way out

there is always light at the end of the tunnel; the darkest hour is that before the dawn; every cloud has a silver lining; there is always other way out [written and colloquial]

blind shaft; winze

to meditate, muse, ponder

inner room

attack by a hidden enemy; a stab in the back

to plot against

secret signal (sign); countersign; cipher

suffer in silence; bear without a word; grin and bear it; eat the leek

bear; endure; undergo something but cannot speak out; to suffer in silence

pimples; zits | Std. Chin.: 丘疹; 面皰; 疙瘩; 青春痘

its easy to dodge a spear in the open, but hard to guard against a hidden arrow

Misgivings bring about imaginary fears

A suspicious mind produces invisible ghost.

underground river