至今 + Verb Phrase
The adverb 至今 (zhìjīn) means 'up to now,' 'to this day,' or 'so far,' indicating that a state or situation has continued from the past to the present. It is used in formal writing and speech to emphasize the ongoing relevance of something. Place 至今 before the verb phrase it modifies.
这座桥修建于一九五七年,至今仍在使用。
Zhè zuò qiáo xiūjiàn yú yī jiǔ wǔ qī nián, zhìjīn réng zài shǐyòng.
This bridge was built in 1957 and is still in use today.
他离开家乡已经二十年了,至今没有回去过。
Tā líkāi jiāxiāng yǐjīng èrshí nián le, zhìjīn méiyǒu huíqùguò.
He has been away from his hometown for twenty years and has not gone back to this day.
这个谜团至今没有人能解开。
Zhège mítuán zhìjīn méiyǒu rén néng jiěkāi.
No one has been able to solve this mystery to this day.