in reply
in reply — 慣用語
慣用語
in reply
idiomused when your words or actions are meant as an answer to a previous statement, question, or action from someone else
作為回應；答覆
Theo nodded in reply but did not say a word.
In reply to Quan's question, Jenna explained the entire process step by step.
The hospital sent a letter in reply to Faisal's complaint about the waiting times.