You'd better have a good excuse

بهتره یه دلیل خوب داشته باشی

یعنی باید یه دلیل خوب بیاری که کسی رو قانع کنی، وگرنه ممکنه اذیت بشی.

Large celestial bodies that orbit stars, such as Earth and Mars.

Indicates the existence of additional things or information.

Moving or causing to move by turning over and over.

the space above the earth that you can see when you look up, where clouds and the sun, moon and stars appear

very large in size or amount and seeming to have no end