earn someone's trust (earn someone's trust)

Idiom Trust

意味

to gain someone's confidence through actions

行動で誰かの信頼を得る (kōdō de dareka no shinrai o eru)

例文

"You need to earn their trust before they open up."

"あなたは彼らの信頼を得る必要がある、そうすれば彼らは心を開くでしょう。" (Anata wa **karera no shinrai o eru hitsuyō ga aru**, sōsureba karera wa kokoro o hiraku deshō.)