to fly / to jump / to go quickly / to splash, splatter

the sky

something empty / ineffectual / false

by heart, from memory, by rote

empty; vain; sky

everything

(colloquial) current boyfriend

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all

a machine, a device; a contraption / a loom / an opportunity, a chance to do something; the right time or moment / something of great importance: the linchpin of the matter