English rendering A hopeless fool Literal translation: “A fellow fit to become a maggot”
Mockingly, a very dull, foolish person.
Dictionary example 1
이 구더기 될 놈 아, 그런 뻔한 속임수에도 속냐?
Read the meanings, trace, then cover above the masking line and write. Uncover, choose a meaning, and make your own sentence.
Writing text구더기 될 놈
Explore the body parts or scenes linked to this idiom.
A silent film that writes the headword and its meaning.
Silkworms climb to spin cocoons Of silkworms, climb onto brush to make cocoons. 
Shrink back timidly Figuratively, flinch and lose one's confidence when rebuked or afraid. 
keep one’s mouth firmly shut Figuratively, to keep one’s mouth firmly closed and seldom speak. 
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. Browse in Hangul order.
WORDROW Korean Idioms