Meaning of zhì jīn:
至今
so far; to this day; until now
Wǒmen yǐjīng xúnzhǎole yī ge xīngqī, zhìjīn yīrán méiyǒu zhǎodào.
我们已经寻找了一个星期,至今依然没有找到。
We have been searching for a week, but so far we still haven't found it.
Zhì jīn, wǒ hái jìde nà cì lǚxíng.
至今,我还记得那次旅行。
To this day, I still remember that trip.
Suīrán shíjiān yǐjīng guòle hěn duō nián, dàn zhì jīn zhège shìjiàn réngrán yǐngxiǎngzhe wǒmen.
虽然时间已经过了很多年,但至今这个事件仍然影响着我们。
Although many years have passed, this event still affects us until now.