借口 → ☊ 
to use as an excuse; on the pretext; excuse; pretext ☊ like: Xin lỗi. → →
Entschuldigung. ☊ 
Xin lỗi. ☊ (Lektion 95, Nr. 1482) 'I'm really sorry.' 'That's all right, don't worry.' ☊ all right ☊
The best thing to do would be to apologize. ☊ best ☊
I felt (that) I had to apologize. ☊ feel ☊
No explanation was offered, still less an apology. ☊ even/much/still less ☊
She marched over to me and demanded an apology. ☊ march ☊
OK, so I was wrong. I'm sorry. ☊ OK ☊
They ought to apologize. ☊ ought to ☊
I think we're owed an apology. ☊ owe ☊
I'm really sorry. ☊ really ☊
He wouldn't apologize. He knew he was in the right (= had justice on his side). ☊ right ☊
Oh, I'm sorry. Have I taken the one you wanted? ☊ I'm sorry ☊
I'm sorry. I can't make it tomorrow. ☊ I'm sorry ☊
He didn't even say sorry. ☊ sorry ☊
The best thing to do is to apologize. ☊ thing ☊