垃圾桶: rubbish bin, trash can, garbage can, Taiwan pr....
知足常乐: satisfied with what one has (idiom)...
口水: saliva...
龟: tortoise, turtle...
和谐: harmonious, harmony, (euphemism) to censor...
救济: emergency relief, to help the needy with cash or goods...
买不起: cannot afford, can't afford buying...
大吃一惊: to have a surprise (idiom); shocked or startled, gobsmacked...
顺便: conveniently, in passing, without much extra effort...
山: mountain, hill, anything that resembles a mountain, bundled straw in which silkworms spin cocoons, gable...