築き上げる
verb
build up, establish
B2
しっかり基礎を築き、立派な建造物を建てる。
build up, establish
きずきあげる
B2Upper-Intermediate
B2
小さな約束を守り続けて、何年もかけて顧客との信頼を築き上げた。
By consistently keeping small promises, we built up trust with our customers over many years.