make it 2 o'clock还是make it at 2 o'clock?

make it 2 o'clock还是make it at 2 o'clock?
make it 2 o'clock还是make it at 2 o'clock?

make it 2 o'clock还是make it at 2 o'clock?
后者,定在2点.

make it at 2 o'clock

是make it at 2 o'clock.

初中课本上两者都出现过了，make it at 2 o'clock为以前常见短语，但是最近的仁爱八年级和人教新目标出现了前者make it 2 o'clock，所以不能说谁对谁错啊 。