1. I can't stand it any longer.
stand：忍受
例：
Nobody can stand what you said.
没有人能忍受你所说的话。
I can't stand winter weather.
我不能忍受冬天的天气。
2. A nice, soothing shave.
soothing：抚慰的，令人宽心的
例：
Music is soothing and relaxing to the mind.
音乐令心情平静轻松。
However, after I took some soothing pills, the pain subsided.
不过在吃过几粒止痛丸之后，痛感消失了。
3. Squawk
squawk：（发出）响而粗的叫声
例：
The bird gave a startled squawk.
鸟发出嘎嘎的惊叫声。
The hen gave a squawk when it saw the cat.
发出尖声地高地像母鸡一样的叫声。
4. We'd all be happier, not to mention a lot healthier.
not to mention：更不用说
例：
The dampness is unpleasant , not to mention the cold .
潮湿就令人不快，更不必说寒冷了。
He has a big house and an expensive car, not to mention a villa in France.
他有一所大房子和一辆昂贵的汽车，更不必说在法国还有一座别墅了。