下午五点半用英语说怎么说

"五点半下午"用英语可以说成"half past five in the afternoon"。

来源：这是一种习惯用语，表示一天的某个时间点。

例句1:

I'll meet you at half past five in the afternoon. (我会在下午五点半和你见面)

例句2:

I'll be back home at half past five in the afternoon. (我会在下午五点半回家)