一如曩昔 just as before
Explanation
曩昔指从前，一如曩昔就是和从前一模一样。形容情况没有变化，依然如故。
Nangxi means before; yi ru nang xi means exactly the same as before. It describes a situation that has not changed, it remains the same.
Origin Story
老张是一位经验丰富的木匠，几十年来一直专注于制作传统木制家具。他技艺精湛，作品精致，深受顾客喜爱。如今，虽然许多新型家具材料层出不穷，老张却依然坚持使用传统木材和技法，他的工作间里依然堆满了刨花和木屑，散发着木头的清香，一如他年轻时那样专注投入，一如曩昔。他的许多老客户也依然会来他这里订购家具，对他精湛的技艺赞不绝口。老张说，传统工艺是需要时间的沉淀和积累的，时代在变，但对品质的追求不能变。他会继续坚持下去，用双手传承这份古老技艺。他从不追求所谓的时尚元素，却在每一件作品中，都倾注了时间和心血，如同他年轻时一样， 一如曩昔。
Old Zhang was an experienced carpenter who had been dedicated to making traditional wooden furniture for decades. His craftsmanship was superb, his works were exquisite, and he was deeply loved by customers. Nowadays, although many new furniture materials have emerged, Old Zhang still insists on using traditional wood and techniques. His workshop is still filled with shavings and sawdust, exuding the fragrance of wood, just as focused and dedicated as when he was young, just as it was in the past. Many of his old customers still come to him to order furniture and praise his exquisite craftsmanship. Old Zhang said that traditional craftsmanship requires time to precipitate and accumulate. Times change, but the pursuit of quality cannot change. He will continue to insist on it and use his hands to pass on this ancient craft. He never pursues fashionable elements, but pours his time and energy into each work, just as he did when he was young, as before.
Usage
用于描写事物或状态保持不变，和过去一样。
Used to describe things or states that remain unchanged, as in the past.
Examples
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他依然故我，一如曩昔。
ta yiran guwo, yiru nangxi
He remained unchanged, just as in the past.
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他依旧保持着童年的习惯，一如曩昔
ta jiuyu baochizhe tongnian de xiguan, yiru nangxi
He still kept his childhood habits, just as before