Idioms describe redundant people?

(1) describes redundant people walking side by side and playing an idiom.

advance together

explain

Advance in many ways at the same time. Describe doing several things or jobs at the same time.

originate from

Zhou Enlai's speech at the Shanghai Science and Technology Work Conference: "The main requirements for realizing the modernization of science and technology are: seeking truth from facts, step by step, going hand in hand and catching up."

synonym

Go hand in hand, keep abreast.

antonym

Uneven level

grammar

Combined type; As predicate and attribute; Include praise

(2) Are there any redundant idioms to describe a person?

Generally speaking, idioms describing a person are redundant: gild the lily and overlap bedstead houses.