It became overcast
天───day;变得───become
They're improving day by day.───他们在一天天地改进。
Your needs can differ from day to day.───你的需要可能每天都在变化。
I used to drink coffee day in, day out.───过去我每天喝咖啡。
MM as if deep in thought, led in a short while and suddenly and very strain of say: "Ah, if I one day to you also tired, how does that do? "───MM若有所思，过了一会儿，忽然很紧张的说：“哎，要是我有一天对你也厌倦了，那怎么办啊？”
It's all free, easy to access, available within seconds, 24 hours a day, seven days a week.───1天24小时，1周7天，无时无刻全可免费观看且容易获取。
I made up my mind that you were the only woman for me, Scarlett. . . the first day I saw you at Twelve Oaks .───斯佳丽，从那天在十二橡园初次见到你时，我就知道你是我唯一想要的那个女人。
Prepare for a rain day.
Rome wasn't built in a day.
I spent the whole day cleaning.
Rome was not built in a (or one) day.
Fair and softly go far in a day.