vt.使(某物)更明亮;
vi.点亮;减轻;
例句:
He did his best to lighten things up.
他尽力使局势生动起来.
Taking a vacation will lighten you from stress.
休假能帮你缓解压力.
If you want to lighten the weight, had better eat little bread.
如果你想减轻体重, 最好少吃面包.