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размениваться на мелочи stresses
gen.	niggle; peddle; squander one's gifts on trifles (Anglophile); fritter away energy; fritter away one's energy (Anglophile)
fig., inf.	waste talents on trifles
Gruzovik, fig.	waste one's talents on trifles
Makarov.	squander one's gifts on trifles; squander one's talents on trifles

размениваться на мелочи: 1 phrase in 1 subject

Idiomatic

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