如果你遇到危险,请报警。
rúguǒ nǐ yùdào wēixiǎn , qǐng bàojǐng 。
If you encounter danger, please call the police.
他看到邻居被盗,立即报警。
tā kàndào línjū bèi dào , lìjí bàojǐng 。
He saw the neighbor being robbed and immediately called the police.
报警后,警察迅速赶到现场。
bàojǐng hòu , jǐngchá xùnsù gǎn dào xiànchǎng 。
After calling the police, the police quickly arrived at the scene.