挡住

挡住 means to block or obstruct something, often physically, but can also be used metaphorically. It emphasizes preventing something from passing through or being seen.

The character 挡 (dǎng) originally meant 'to block' or 'to prevent,' while 住 (zhù) typically means 'to stay' or 'to remain.' Together, they form a verb meaning 'to block out' or 'to obstruct.'

挡住 is commonly used in daily conversations to describe blocking light, sound, or physical objects. It's also used in idioms and expressions related to protection or prevention. For example, it can be used when describing shielding someone from harm or blocking a view.