She hardens to my coming.

她对我的到来反应冷淡.

The food hardens as it cools.

食物冷却时变硬.

The heat of the sun hardens clay.

太阳的热使黏土变硬。

Clay hardens when it becomes dry.

黏土干了的时候就变硬了。

Clay hardens when it becomes dry .

粘土干了的时候就变硬了。

Eg. The earth hardens under the hot sun.

土地让炎热的太阳晒硬了。

It deadens your spirit and it hardens your heart.

它会使你的精神消沉，你的心也会变硬。

Only when it hardens does it become uncomfortable.

只有当它成为硬化不舒服。

Something that hardens to act as adhesive material.

变硬后用作粘合材料。

Remember, the same heat that melts butter also hardens clay.

请记住，热可以融化黄油也可以使陶土变硬。