【ruin】

英英：destroy or cause to fail

例句：

1. Customers always find a way to ruin my day.

顾客总是有办法使我的一天玩完!

2. Odd behavior isn't the only way to ruin your chances of landing a job.

古怪的行为并不是破坏你得到一份工作机会的途径。

3. Many people ruin their summer fun by falling prey to the hazards of hot weather.

许多人深受炎热天气的折磨，白白浪费了本应充满欢乐的夏天。

【varying】

构词：vary→varying

例句：

1. Dimly, in varying degrees, these Venetians reveal an uneasiness, a vague discontent, an unexplained sense of something wrong.

隐约地以不同程度，这些威尼斯人及贝蛮人表现出一种不安、种模糊的不满、种无法解释的不对迳。

2. Parents may set up varying levels of reward and punishment depending on a child's physical and mental capacity to avoid hurting him and his ego.

家长可制定不同程度的奖惩规则，在惩罚上也要先考虑孩子的体力和精神上是否能承受，以免造成孩子身心上的伤害。

【petrify】

英英：cause to become stonelike or stiff or dazed and stunned

例句：

1. The bird was petrified as the snake came ne