謝ろうと

try to apologize

→ 謝る
phrase Rare #36,609
try to apologize The volitional form 謝ろう followed by と expresses an attempt or intention to apologize. It is commonly followed by する, 思う, or another verb, and can also appear with は to emphasize that someone did not make the attempt.
JA: 彼は何度も謝ろうとした。
EN: He tried to apologize several times.

その政治家は信頼を裏切ったことをわざわざ謝ろうとしなかった

That politician didn’t even bother to apologize for betraying the public’s trust.

トムただ謝ろうとしていた

Tom was just trying to apologize.

謝ろうと思って

I was thinking of apologizing.

— いまを生きる (1989)