even if ...,...cannot

not ... at all

sky, ether, air, firmament

(archaic) beautiful

become clear, become transparent / (impersonal) for the weather to clear up / (impersonal) for sound to become clear / for emotions to become tranquil

beautiful

very, exceedingly, awfully / (before a negative form) not at all, at all, by no means

blue / (of vegetation or traffic lights) green / pale / unripe; green (inexperienced)

the grass is always greener on the other side

"the grass is always greener on the other side": The others' circumstances seem more desirable.