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в закрытый рот муха не влетит stresses
gen.	a fly will not get into a closed mouth; a fly won't get into a closed mouth
idiom.	fly won't get into a closed mouth (Yeldar Azanbayev); fly will not get into a closed mouth (Yeldar Azanbayev); A close mouth catches no flies (ROGER YOUNG)
proverb	A close mouth catches no flies (Miguel de Cervantes Saavedra, Don Quixote. WiseSnake); close mouth catches no flies (смысл: молчание глупостей не делает)