tend to: 趋向于
Smaller laptops also tend to have longer battery life.
小巧的电脑也趋向更长的电池持续时间。
And humans tend to exploit their power.
而人又趋向于挖掘他们的能力。

take care of: 处理
I know that if anything bad were to happen, the corporation would take care of me.
我知道，如果形势不妙，公司会照顾我的。
If he does, the cleaning woman will take care of it tomorrow.
如果他呕吐了，做清洁的女人明天会处理的。

calm down: 冷静下来
I find it increasingly difficult to calm down. "
我发现自己越来越难平静下来。”