长期以来

長期以來

chángqī yǐlái

adverb HSK 7-9 #29,493

Meanings

HSK 6

长期以来，他一直在研究这个课题。

Chángqī yǐlái, tā yìzhí zài yánjiū zhège kètí.

For a long time, he has been researching this topic.

HSK 6

长期以来的努力终于有了回报。

Chángqī yǐlái de nǔlì zhōngyú yǒule huíbào.

The long-term efforts have finally paid off.

grammar

Typically placed at the beginning of a sentence as a time adverbial. Often pairs with 一直 (always/continuously) to emphasize ongoing duration.

长 cháng

期 qī

以 yǐ

来 lái