From beginning to end, throughout the entire process.
从开始到末了。表示一贯到底。
宋·孙光宪《北梦琐言》卷二十先皇帝与汴军校战，自始至终，马数才万。今有铁马三万五千，不能使九州混一，是吾养卒练士将帅之不至也。”
She was dedicated to the project from start to finish.
Learn the next connected idiom: 自始至终 (zì shǐ zhì zhōng) → 终身大事 (zhōng shēn dà shì)
Want to explore more random idioms? Try our 🎲 Chinese Idiom Generator