dim and dusky; far and indistinct

deep and somber; see also 窈窈[yao3 yao3]

dimly discernible

quiet, silent, and lonely; far and indistinct; gone without a trace

variant of 杳渺[yao3 miao3]

distant and out of sight

far and deep

to be gone forever (idiom); to disappear without a trace

see 杳無人跡|杳无人迹[yao3 wu2 ren2 ji4]

(idiom) without trace of human presence; uninhabited; deserted

see 杳無音信|杳无音信[yao3 wu2 yin1 xin4]

to have no news whatever