English rendering keep one’s mouth firmly shut Literal translation: “a snail closes its lid”
Figuratively, to keep one’s mouth firmly closed and seldom speak.
Dictionary example 1
정말 달팽이 뚜껑 덮은 것처럼 아무 말도 하지 않을래?
Read the meanings, trace, then cover above the masking line and write. Uncover, choose a meaning, and make your own sentence.
Writing text달팽이 뚜껑 덮는다
Explore the body parts or scenes linked to this idiom.
A silent film that writes the headword and its meaning.
Shared · 2 Be in utter turmoil Figuratively, be in complete disorder and confusion, like bees swarming out to sting after their hive is disturbed. 
stir up a hornet’s nest To needlessly touch what should be left alone and cause serious trouble. 
Shared · 2 Be in an uproar Figuratively, be extremely chaotic and disorderly, like bees swarming out to sting when their hive is disturbed 
be tiny To be very small. 
Sponge off someone Vulgarly, obtain benefits by living off another 
Something flimsy and badly made Figuratively, something extremely flimsy or poorly constructed. 
Swarm chaotically Figuratively, describe a disorderly, crowded gathering. 
search with a fine-toothed comb A figurative expression for searching every corner thoroughly. 
A gracefully dressed woman Figuratively, describe a well-dressed woman's appearance. 
be delicate and sheer A figurative expression for cloth or the like being so fine and thin that one can see through it. Browse in Hangul order.
WORDROW Korean Idioms 