But they knew it would eventually disappear.

Meaning: However, they understood that the rainbow would eventually fade away.

Choice of Words: But is used to connect two contrasting ideas. Knew means to have information or understanding about something. Eventually means at some point in the future. Disappear means to stop being visible.

Alternative Expressions

However, they were aware that it would vanish in the future.

Meaning: This means that they understood that the thing they were talking about would not be there forever and would eventually go away.

Choice of Words: However is a conjunction used to connect two ideas that may be different or even opposite. They is a pronoun that refers to a group of people or things that have been mentioned before. Were aware is a verb phrase that means to have knowledge or understanding about something. That is a conjunction that introduces a subordinate clause. It is a pronoun that refers to something that has been mentioned before. Would is a modal verb that expresses possibility or intention. Vanish is a verb that means to disappear or to become invisible. In the future is a prepositional phrase that means at some point in the future.

They realized that it would eventually be gone.

Meaning: This means that they understood that the thing they were talking about would not be there forever and would eventually go away.

Choice of Words: They is a pronoun that refers to a group of people or things that have been mentioned before. Realized is a verb that means to understand or become aware of something. That is a conjunction that introduces a subordinate clause. It is a pronoun that refers to something that has been mentioned before. Would is a modal verb that expresses possibility or intention. Eventually is an adverb that means at some point in the future. Be gone is a verb phrase that means to no longer exist or to be present.

Related Expressions