100 idiom+explanation

Unscrupulous: describes being frank and sincere with others.

Concentration: refers to undivided attention and undivided attention.

Burst into laughter: describes everyone in the room laughing at the same time. Two-pronged approach: metaphor for doing two things at the same time. Walking: Take a leisurely walk, just like taking a bus. Take a panoramic view: look; Yu: Surplus. You can see all the scenery at a glance. Describe the architectural structure without twists and turns, or the poetry content is unremarkable and has no aftertaste. The monkey wears a hat and pretends to be an adult.