1.Some say it's how they imagined a hoverboard is supposed to be, which is kind of an interesting response because no one's ever ridden one before.
supposed to be 本应如此
The government, the executive and the judi-ciary are supposed to be separate.
政府、行政部门和司法部门应该彼此分离 。
They are supposed to be here at about half four.
他们应该在4点半左右到达这里 。