Daylight is the natural light that there is during the day, before it gets dark.
Lack of daylight can make people feel depressed.
日晒不足会让人情绪低落。
Daylight is the time of day when it begins to get light.
Quinn returned shortly after daylight yesterday morning.
奎因昨天天刚亮就回来了。
in broad daylight
If you say that a crime is committed in broad daylight, you are expressing your surprise that it is done during the day when people can see it, rather than at night.
A girl was attacked on a train in broad daylight.
光天化日之下,一个女孩在火车上遭袭。