Meaning of qiáng:
qiáng
墙
Noun
variant of 牆|墙[qiang2]; wall (CL:面[mian4],堵[du3]); (slang) to block (a website) (usu. in the passive: 被牆|被墙[bei4 qiang2])
Háizimen zhèngzài qiáng shàng huà huà.
孩子们正在墙上画画。
The children are drawing on the wall.
Tā zài fángzi zhōuwéi jiànle yī dǔ gāo qiáng.
他在房子周围建了一堵高墙。
He built a high wall around the house.
Xǔduō wǎngzhàn zài wǒ guó bèi qiáng le.
许多网站在我国被墙了。
Many websites are blocked in our country.