Cách sử dụng
'Darken' is a word used when something loses light, brightness or color. You can use it when the sun goes down and it becomes dark outside. For example, "The sky started to darken as the sun began to set." It can also be used to describe a change in mood or situation, such as "Her mood started to darken when she heard the bad news." You might also use it to describe adding more dark color to something, for example, "I will darken this area of the painting to make it stand out more."