这道数学题的解法是错的。

Your solution to this math problem is ___wrong.

占老年人的便宜是不对的。

It is ___wrong to take advantage of the elderly.

这件外套颜色不对，和裤子不搭。

This coat is the ___wrong color to match the pants.

电梯好像出问题了，一直停在二楼不动。

There's something ___wrong with the elevator—it's stuck on the second floor.