Word: 上課 (shàngkè)

上課不能交頭接耳。

Shàngkè bùnéng jiāotóujiē'ěr.

You must not talk to each other in class.

上課中不要跟別人講話。

Shàngkè zhōng búyào gēn biéren jiǎnghuà.

Don't talk to others during the class.

他上課的時候一直坐在我的旁邊。

Tā shàngkè de shíhou yìzhí zuò zài wǒ de pángbiān.

When he's in class, he continuously sits next to me.

他因為生病沒來上課。

Tā yīnwèi shēngbìng méi lái shàngkè.

He was absent from school on account of illness.

你上課要遲到啦。

Nǐ shàngkè yào chídào la.

You might be late for school.

你什麼時候去上課？

Nǐ shénme shíhou qù shàngkè?

When do you go to class?

你比以前更容易上課遲到了。

Nǐ bǐ yǐqián gèng róngyì shàngkè chídàole.

You've been late for school more often than before.

你跟這位老師上課嗎？

Nǐ gēn zhèwèi lǎoshī shàngkè ma?

Are you taking classes with this teacher?

八點半開始上課。

Bā diǎn bàn kāishǐ shàngkè.

Class doesn't begin until eight-thirty.

十點開始上課。

Shí diǎn kāishǐ shàngkè.

Lessons begin at ten.

她上個星期沒有上課。

Tā shànggexīngqī méiyǒu shàngkè.

She didn't go to class last week.

學校九點上課。

Xuéxiào jiǔ diǎn shàngkè.

School begins at nine.

學校八點半開始上課。

Xuéxiào bā diǎn bàn kāishǐ shàngkè.

School begins at half past eight.

學校在上午八點三十分開始上課。

Xuéxiào zài shàngwǔ bā diǎn sān shífēn kāishǐ shàngkè.

School begins at 8:30 a.m.

學校8點半開始上課。

Xuéxiào bā diǎn bàn kāishǐ shàngkè.

School begins at eight-thirty.

我今早上課遲到了。

Wǒ jīn zǎo shàngkè chídàole.

I was late for class this morning.

我們上課時學了九的根是三。

Wǒmen shàngkè shí xué le jiǔ de gēn shì sān.

We learned at school that the square root of nine is three.

我們十點上課，可是她十一點才來。

Wǒmen shí diǎn shàngkè, kěshì tā shíyīdiǎn cái lái.

We start class at 10, but she didn't arrive until 11.

我們學校在八點半開始上課。

Wǒmen xuéxiào zài bā diǎn bàn kāishǐ shàngkè.

Our school begins at eight-thirty.

我們的老師總是準時來上課。

Wǒmen de lǎoshī zǒngshì zhǔnshí lái shàngkè.

Our teacher is always on time for class.

請先預習，再來上課。

Qǐng xiān yùxí, zài lái shàngkè.

Please prepare the lesson first, then come to class.