She sat in the Spanish lab for hours, trying to acquire the accent of a native speaker.

她在西班牙语研究所里坐了好几个小时，试着学习以西班牙语为母语的人的口音。

Maybe you're practicing English with a native speaker and you didn't quite catch what the other person said.

也许你正和一位母语为英语的朋友练习英语，但你没能很好地理解那个人在说什么。

English has a large vocabulary with different usages so it's not easy for a Chinese person to speak English as fluently as a native speaker.

英语词汇量很大，用法也很多，所以一个中国人想把英语说的像母语者一样流利并不容易。

Native speaker: Mandarin and Cantonese

母语：普通话和广东话

He speaks English as well as a native speaker.

他英语说得同母语是英语的人一样好。