一直 yìzhí
一直（yìzhí）means “一直 (yìzhí): 'all along / continuously', an action or state that keeps going”. 一直 before the verb shows an action or state continues without interruption over a period, e. Formation: 主语 + 一直 +（在）+ 动词
一直 (yìzhí): 'all along / continuously', an action or state that keeps going
HSK2Formation
主语 + 一直 +（在）+ 动词
Explanation
一直 before the verb shows an action or state continues without interruption over a period, e.g. 一直等你 ('have been waiting for you all along'). It can also mean 'straight' in direction, e.g. 一直往前走 ('go straight ahead'). The stress is on constancy.
Examples
Note
一直 stresses non-stop continuity; 还 stresses that it continues up to now.
FAQ
一直 — what does it mean and how is it used?
一直 (yìzhí): 'all along / continuously', an action or state that keeps going. 一直 before the verb shows an action or state continues without interruption over a period, e.g. 一直等你 ('have been waiting for you all along'). It can also mean 'straight' in direction, e.g. 一直往前走 ('go straight ahead'). The stress is on constancy.
一直 — how do you form it?
主语 + 一直 +（在）+ 动词
一直 — any usage notes?
一直 stresses non-stop continuity; 还 stresses that it continues up to now.