junior middle school ⇒ 上初中 shàng chūzhōng → go to junior middle school
初期
initial stage
初步
fundamental
初级
primary ⇒ 初级阶段 chūjí jiēduàn → initial stages
初衷
original intention
当初
those days ⇒ 当初他俩就不和。 Dāngchū tā liǎ jiù bùhé. → Even in those days they didn't get on.
最初
initial
起初
origin ⇒ 他起初在班里排名第一。 Tā qǐchū zài bān li páimíng dìyī. → Originally he was top of the class.
初出茅庐
be wet behind the ears
如梦初醒
as if woken from a dream ⇒ 老师的一番话,使他如梦初醒。 Lǎoshī de yī fān huà, shǐ tā rú mèng chū xǐng. → It was as if the teacher's words had woken him from a dream.