1. The answer is unreasonable.
    这答案没道理.

2. Spoiling a child also happens when parents are unable to stand up to their children's unreasonable demands.
    当家长无法顶住孩子的无理要求时，也会发生宠孩子的现象。

3. Most of our fears are unreasonable, but they are impossible to erase.
    我们的恐惧大部分是没有道理的，但去无法消除。