凹陷 | āo xiàn | to cave in / hollow / sunken / depressed | |
凹 | āo | depressed / sunken / indented / concave / female (connector etc) | |
洼 | wā | depression / sunken / swamp | |
瘪 | biě | deflated / shriveled / sunken / empty | |
沉船 | chén chuán | shipwreck / sunken boat / sinking ship | |
埋线 | mái xiàn | sunken cord (used in bookbinding) | |
窅 | yǎo | sunken eyes / deep and hollow / remote and obscure / variant of 杳[yao3] | |
皓首苍颜 | hào shǒu cāng yán | white hair and gray sunken cheeks (idiom) / decrepit old age | |
眑 | yǎo | sunken eyes / deep / abstruse | |
隐颧 | yǐn quán | a skull with sunken cheek bone / cryptozygous |