survival of the strongest; lack of order or law
強者の生存; 秩序や法律の欠如 (kyōsha no seizon; chitsujo ya hōritsu no ketsujo)
"In war, the law of the jungle often applies."
"戦争では、ジャングルの法則がしばしば適用されます。" (Sensō de wa, **Janguru no hōsoku** ga shibashiba tekiyō saremasu.)
to do a lot of difficult or complicated things to achieve so...
to lose consciousness temporarily
people will always have hope, no matter the situation
to cause pollution or environmental impact through daily act...
to make small adjustments to improve performance
something very complicated or difficult to understand