For the meaning of Eminent - expansion. Harvest - determination click HERE
'Capital' is wall + seal: government authority.
Line 2. Evening is a picture of the sun between trees. It means nowadays 'not'. The connection between the characters might be different, like: 'Fear and crying in the dark. Weapons, no worry'. The character 'worry' means usually sympathize, pity, care for.
Line 3. 'Overwhelmed .. anger': may be 'as if soaking - makes angry'.
Line 4. F. Fiedeler comments: " to show one's flesh and lead a sheep" is an expression known in the historic Chronicle `Zhuochuan` meaning to subordinate in order not to face the worst. The sheep was known as an animal of luck. Sheep and goat are the same character, no distinction was made between them.
Line 5. The first character is Amaranth or other edible greens, but with a tiny stroke added: huan, mountain sheep. This line can mean you have to pull up a lot of weeds - or that this is rough terrain. In both cases a difficult land to cultivate and to make profitable.