Google withdraw N400 before interview: You may withdraw your application at any time during the naturalization process by sending a request in writing to your USCIS district director. If the district director agrees to the withdrawal, your application will be denied without further notice. You will not have your application fees returned. You may re-apply for naturalization at a later time by paying the fees again. Frequently Asked Questions About the Naturalization Process | Catholic Legal Immigration Network, Inc. (CLINIC) (cliniclegal.org)
她以后还要再申请，缺席不怕留下red flag？
好像没有取消这一说
确实怕不去就留red flag。🙏
You may withdraw your application at any time during the naturalization process by sending a request in writing to your USCIS district director. If the district director agrees to the withdrawal, your application will be denied without further notice. You will not have your application fees returned. You may re-apply for naturalization at a later time by paying the fees again.
Frequently Asked Questions About the Naturalization Process | Catholic Legal Immigration Network, Inc. (CLINIC) (cliniclegal.org)
你不去就行了，没有任何手续要办。