的口音

…'s accent

→ 的

phrase Rare #27,592

…'s accent 口音 means “accent”; 的 marks possession or association, so the phrase usually follows the person whose accent is being described.

CH: 他的口音很特别。

EN: His accent is very distinctive.

他们回答得很客气，可是，唉，他们说话的口音真奇怪。

They answered very politely, but, sigh, they had a really strange accent.

她们会听出你的口音的

They’ll be able to tell your accent.

— 回归 (2006)

他的口音！

His accent!

是玛蒂娜的口音吗？

Is that Martina's accent?