having a feeling or desire that is not returned in the same way by another person

单恋的, 无望的
(of a position, argument, theory, etc.) not capable of being supported, defended, or justified when receiving criticism or objection

不可维持的, 站不住脚的
never having existed or happened before

前所未有的, 史无前例的
the act of monitoring a person or place, especially by the police

监视, 监控
the part in harmonic music or the voice with the highest pitch that belongs to a boy or female vocalist

高音部分, 男童或女声的高音
to keep existing, especially with limited food or money

维持生存, 勉强维生
a situation in which one has just enough money or food to survive

生存, 维持生计
to prove something to be true by providing adequate evidence or facts

证实, 证明
connected to the essence or reality of something

实质的, 内容丰富的
to bring together again, especially after a period of separation

重聚, 重新团聚
to find and collect data stored on a computer

检索, 恢复
breaking down and rotting, typically referring to organic material

腐败的, 腐臭的
in the process of decomposing, resulting in a foul odor and visible breakdown of organic material

腐烂的, 化腐的
relating to people like monks, nuns, etc. who voluntarily made a public sacred promise to dedicate their life to a special duty

修道的, 僧侣的
