to treat one another with absolute sincerity (idiom) / to show total devotion
推心置腹
tuī xīn zhì fù
to give one's bare heart into sb else's keeping (idiom) / sb has one's absolute confidence / to trust completely / to confide in sb with entire sincerity
坦诚相见
tǎn chéng xiāng jiàn
to trust one another fully / to treat sb with sincerity
ice or coals, whether hot or cold goes without saying (idiom) / fig. sincerity is not expressed in words
泣谏
qì jiàn
to counsel a superior in tears indicating absolute sincerity
精诚所加，金石为开
jīng chéng suǒ jiā , jīn shí wèi kāi
lit. sincerity splits open metal and metal (idiom) / if you put your heart to it, you can break up metal and rocks / With a will, you can achieve anything.
精诚所至，金石为开
jīng chéng suǒ zhì , jīn shí wèi kāi
lit. sincerity splits open metal and metal (idiom) / if you put your heart to it, you can break up metal and rocks / With a will, you can achieve anything.
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