长期以来

長期以來

chángqīyǐlái

adverb HSK 7 #29,493

Meanings

1 for a long time
2 over a long period of time

Characters

come; since then

Examples

长期以来，他一直在研究这个课题。

Chángqīyǐlái, tā yīzhí zài yánjiū zhège kètí.

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

长期以来的努力终于有了回报。

Chángqīyǐlái de nǔlì zhōngyú yǒu le huíbào.

The long-term efforts have finally paid off.

Tips

grammar

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

Stroke Order

长 cháng

期 qī

以 yǐ

来 lái