English rendering Go off on a tangent Literal translation: “Turn onto a side path”
Go somewhere irrelevant or act outside the proper course
Dictionary example 1
얘기 잘 하다가 갑자기 샛길로 빠지고 그래?
Read the meanings, trace, then cover above the masking line and write. Uncover, choose a meaning, and make your own sentence.
Writing text샛길로 빠지다
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These idioms share an illustration on this site. Sharing an illustration does not mean they have the same meaning.
A silent film that writes the headword and its meaning.
2 meanings Shared · 2 have a long way ahead To have many tasks still remaining. 
Wind something up deftly Figuratively, describe skillfully winding something into coils and binding it. 
Follow tracks Pursue by following footprints left by a person or animal. 
Track an animal Follow an animal's footprints to catch it. 
Scurry along Move hurriedly with frequent, closely spaced steps 
Stop for lunch or rest Eat lunch or rest midway through a journey 
Shared · 2 Take one's first steps Begin a task or business for the first time. 
2 meanings Shared · 3 take one’s first steps For a young child to begin learning to walk. 
take the helm To set the direction of an undertaking or destination. 
Share a fate Share one's destiny. Browse in Hangul order.
WORDROW Korean Idioms 