普通话

pǔ tōng huà

Mandarin (common language), Putonghua (common speech of the Chinese language), ordinary speech

我正在学习普通话

wǒ zhèng zài xué xí pǔ tōng huà

I am learning mandarin

我不喜欢交通

wǒ bù xǐ huan jiāo tōng

I don't like traffic

是个笑话

shì gè xiào huà

It's a joke

请遵守交通法规。

qǐng zūn shǒu jiāo tōng fǎ guī。

Please obey traffic laws.

请不要插话。

qǐng bù yào chā huà。

Please don't interrupt.

我在打电话

Wǒ zài dǎ diàn huà

I am calling telephone.

你说话太快

Nǐ shuō huà tài kuài

You speak too fast.

我终于通过了考试

wǒ zhōng yú tōng guò lè kǎo shì

finally I passed the exam

最终你通过了考试。

zuì zhōng nǐ tōng guò le kǎo shì。

Eventually you pass the exam.

我有信心通过这次考试

wǒ yǒu xìn xīn tōng guò zhè cì kǎo shì

I am confident to pass this exam