1. Idioms describing concrete

Solid as a stone

gù ruò jīn tāng

Explain a city made of metal and a moat formed by boiling water. The fortifications are described as extremely strong.

Source "Han Shu·Kuai Tong Biography": "Yingcheng must be defended. They are all golden city soup pools and cannot be attacked."

The structure is more formal.

Usage has a positive connotation. Used for military defense. Generally it can be used as predicate, attributive and complement.

Distinguish the shape; cannot write "bitter".

Synonyms: iron-clad, as solid as a rock

Antonyms: crumbling, vulnerable

Analysis~ and "solid as a rock" can both describe "the stability and solidity of things" . But ~ is only used for objects; it mostly describes the solidness of passes, positions, defense lines, etc. that are related to defense; it cannot be broken; "solid as a rock" is mostly used to describe the solidity of buildings; it also metaphors the strength of groups, organizations, and countries.

Example

(1) Under the rapid German offensive, this line of defense, which the French called themselves ~, collapsed instantly.

(2) Chang'an City is tightly defended; ~. 2. Quotes about concrete construction at construction sites

Anyone who devotes every moment to his career is a reason enough for him. —— Seneca

Safety slogans

1. Raise safety awareness and advocate civilized fashion.

2. Any safety hazards discovered must be corrected in a timely manner.

3. The ground is slippery, be careful of falling.

4. Good safety can create good performance.

5. Safety first, prevention first.

6. Safety is connected to you, me and him, and safety and happiness depend on everyone.

7. There is a risk of falling when working at heights, so please be sure to fasten your seat belt.

8. For everyone’s safety and health, please operate in strict accordance with the regulations.

9. A safe person and a happy family. 3. Idioms describing concrete

gù ruò jīn tāng means a city made of metal and a moat formed by boiling water.

Describes the fortification as extremely strong. Source: "Book of Han Kuai Tong Biography": "The Yingcheng must be defended. They are all golden city soup pools and cannot be attacked."

The structure is more formal. Usage has a complimentary meaning.

Used for military defense. Generally it can be used as predicate, attributive and complement.

Distinguish the shape; cannot write "bitter". The synonyms of "copper wall and iron wall" and the antonyms of "solid as a rock" can be used to describe "the stability and reliability of things".

But~ is only used for objects; mostly used to describe the solidity of passes, positions, defense lines, etc. related to defense; unbreakable; "solid as a rock" is mostly used to describe the solidity of buildings; it can also be used as a metaphor for a group , organization and country’s strength. Example sentences (1) Under the rapid and fierce offensive of the German army, this line of defense, which the French army called itself ~, collapsed instantly.

(2) Chang'an City is tightly defended; ~.