Usage note
线上表示通过网络进行。
xiàn shàng biǎo shì tōng guò wǎng luò jìn xíng。
Online means done through the internet.
Context note
线上常用于课程、购物和会议。
xiàn shàng cháng yòng yú kè chéng 、 gòu wù hé huì yì。
Online often appears with classes, shopping, and meetings.
5 examples
我们上线上课。
wǒ men shàng xiàn shàng kè。
We take classes online.
这个活动是线上进行的。
zhè ge huó dòng shì xiàn shàng jìn xíng de。
This activity is held online.
他在线上买东西。
tā zài xiàn shàng mǎi dōng xī。
He buys things online.
请先线上报名。
qǐng xiān xiàn shàng bào míng。
Please sign up online first.
线上会议开始了。
xiàn shàng huì yì kāi shǐ le。
The online meeting has started.
5 mini stories
今天的中文课是线上课。
jīn tiān de zhōng wén kè shì xiàn shàng kè。
Today's Chinese class is an online class.
她在线上和朋友聊天。
tā zài xiàn shàng hé péng yǒu liáo tiān。
She chats with friends online.
我们在线上完成作业。
wǒ men zài xiàn shàng wán chéng zuò yè。
We finish homework online.
老师说可以线上提问。
lǎo shī shuō kě yǐ xiàn shàng tí wèn。
The teacher said questions can be asked online.
很多人喜欢线上学习。
hěn duō rén xǐ huan xiàn shàng xué xí。
Many people like learning online.
Mini dialogue
上网课
A
明天我们是在教室上课还是线上上课？
Míngtiān wǒmen shì zài jiàoshì shàngkè háishì xiàn shàng shàngkè?
Are we having class in the classroom or online tomorrow?
B
老师说改成线上课了，记得打开电脑。
Lǎoshī shuō gǎi chéng xiàn shàng kè le, jìde dǎkāi diànnǎo.
The teacher said it's changed to an online class; remember to turn on your computer.
买书
A
这本书在书店没找到，怎么办？
Zhè běn shū zài shūdiàn méi zhǎodào, zěnme bàn?
I couldn't find this book in the bookstore; what should I do?
B
你可以在线上买，很方便的。
Nǐ kěyǐ zài xiàn shàng mǎi, hěn fāngbiàn de.
You can buy it online; it's very convenient.
Related words and contrasts
opposite
线下
xiàn xià
offline
线上 means online; 线下 means offline or in person.
related
上网
shàng wǎng
to go online, surf the internet
上网 is the action of going online; 线上 describes something that exists online.