“捉云雀”造句

天垮了好捉云雀,不必预先担忧.
If the sky fall , we shall catch larks.

天垮了正好捉云雀杞忧无益.
If the sky fall ( or falls ) , we shall catch larks.

青天落, 捉云雀.
If the sky falls, we shall catch lark.