Russian ⇄ English

не делай из мухи слона stresses
inf.	don't make a big deal out of it (VLZ_58); don't make a big deal
proverb	don't make a mountain out of a molehill; don't make a mountain out of an anthill (Yeldar Azanbayev)
saying.	don't make a mountain out of a molehill (ludacik)

не делай из мухи слона: 1 phrase in 1 subject

Informal

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