kindly in appearance but unfathomable at heart
Chinese idiom, Pinyin is h ò um à OSH ē NC í, which means that the appearance is kind and the heart is unpredictable. It's the same as "deep feeling". From Xie Xiaoe's biography.
The origin of Idioms
In the biography of Xie xiao'e written by Li Gongzuo of Tang Dynasty, "xiao'e is thick and deep in appearance, smart and special, limp in coal refining, and vows to be true."
Idiom usage
He is kind in appearance but unpredictable in heart
Analysis of Idioms
[synonym]: affectionate and profound
Chinese PinYin : hòu mào shēn cí
kindly in appearance but unfathomable at heart
engrave on one's mind or memory. míng zhū fèi fǔ
the wily hare has three holes to his burrow. jiǎo tù sān kū
to please one 's parents by living with them. chéng huān xī xià
Eight difficulties and three disasters. bā nàn sān zāi
one 's eyes are not clear and one 's heart confused. yǎn huā xīn luàn