zhěn
square
strongly (as of emotion)
qiān biàn wàn zhěn
constantly changing, ever-varying (idiom)
shū shēn zhěn niàn
extreme solicitude (idiom); expressing the deepest condolences
to feel deeply concerned
lián biāo bìng zhěn
lit. reins together and carriages level (idiom); keeping exactly abreast of one another
running neck and neck