yǎo tiǎo
(literary) (of a woman) graceful and refined; comely; (esp.) slender; slim
(literary) (of a bower, a mountain stream or a boudoir within a palace etc) secluded
窈
yǎo
(literary) deep; profound; dim (variant of 杳[yao3])
窕
tiǎo
quiet and secluded