(colloquial) from the very beginning; in the first place; at all. Usually used in the negative to mean "never" or "simply not", often followed by [[就|就|jiu4]] for emphasis.

to dig into the roots of something; to get to the heart of a matter or find out the background details

time just before the end of the lunar year

the bottom part of an object; the root of something

an incompletely cured illness; a chronic condition that persists or recurs

to investigate the root cause of something; to get to the bottom of a matter

one's background, family history, or the original source of something

(colloquial) from the very start; in the beginning; all along; (when followed by a negative) never

to eavesdrop or listen in secret to other people's conversations; specifically used to describe listening under a window or outside a room