在心

tā yī zhí bǎ huái yí shēn shēn de yǐn cáng zài xīn

她一直把怀疑深深地隐藏在心。

She had continually pushed her doubts to the darker recesses of her mind.

nǐ shuō shén me tā dōu bù huì fàng zài xīn shàng

你说什么，他都不会放在心上。

Nothing you tell him can arrest his attention.