我看了一遍。
Wǒ kànle yí biàn.
I watched/read once.
请再说一遍。
Qǐng zài shuō yí biàn.
Please say it again (one more time).
遍地开花。
Biàn dì kāi huā.
To bloom/spread everywhere.
垃圾遍地。
Lājī biàn dì.
Garbage is everywhere.