受过重击的牙齿可能会变色。A tooth which has been hit hard may discolour.有些昆虫可以变色.Some insects can change colour.风云变色.The current political situation is changeable....
When life gets hard and you want to give up, remember that life is full of ups and downs, and without the downs, the ups would mean nothing.当生活很艰难，你想要放弃的时候，请记住，生活充满了起起落落，如果没有低谷，那站在高处也失去了意义。He pushed everyone full speed a...
他这个人就爱在心里反复琢磨事儿。He tends to chew things over too much in his mind.我从不闲坐着琢磨：“我接下来做什么呢？”I never, ever sit around thinking, "What shall I do next?"他异常沮丧，反复琢磨。He was uncharacteristically depressed and ruminative....