異想天開

Different; other; unusual; strange; to distinguish; to separate; surprising; to discriminate; a strange thing.

To think or consider; to want or desire to do something; to guess or suppose; to miss someone; to believe or feel that something is true.

Sky or heaven; the universe; day or a period of time; nature; weather; season.

To open or unfasten; to start or begin; to operate a vehicle or machine; to turn on; to write out; to bloom; to boil; to launch; to discover.