What are the four-word words or idioms about safety?

Idioms about safety:

1, canvas safety means bon voyage.

Source: Liu Song Yiqing in the Southern Dynasties, "Shi Shuo Xin Yu Paidiao": "The place name broke the tomb, which really broke out. The pedestrians are stable and the canvas is safe. "

2, safe and sound, ā nrá nú yà ng, sick: sick. It means that people are safe and free from diseases. Now it usually means that things are safe and not damaged.

Source: "Warring States Policy Qi Ce": "Are you okay when you are old? Are the people safe? Is Wang still safe? . "

Don't forget the danger when it is safe. It means always being careful and vigilant.

Source: Under the Book of Changes: "Therefore, a gentleman is safe and does not forget danger, but does not forget death and does not forget ceremony. He is safe and the country can protect himself. "

4. live and work in peace? ān JLèyè, An: diazepam; Music: love, happiness; Industry: occupation. To live and work in peace and contentment.

Source: Chapter 80 of Laozi: "Man is willing to eat what he eats, to dress beautifully, to keep what he does and to enjoy what he does until he dies." "Biography of Han Huo Zhi" "Everyone lives and works in peace and contentment, and is willing to have a good meal."

5. Save the world? Hu' a xi m: nwé i y, danger: danger; Yi: Peace and security. Turn the corner. Metaphor turns the corner.

Source: Tang Yunqing's Ode to Ping Man: "Turn the atmosphere into sunshine and save the day."