Correct

杳然

/ yǎorán / 
Strokes

Definition

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

Example

As an Adjective

quiet and still; without a trace

1
Yīnxìn
音信
yǎorán
杳然

be heard of no more

2
Yǎoránwúzōng
杳然无踪

left without a trace