"chà wǔ fēn bā diǎn" shì hái chà wǔ fēnzhōng dào bā diǎn, búshì bā diǎn guò wǔ fēn

“差五分八点”是还差五分钟到八点，不是八点过五分。

"Five to eight" means it is five minutes before eight, not five past eight