Поиск по слову дете́й должно́ быть ви́дно, но не слы́шно дал один результат
RU русский EN английский
дете́й должно́ быть ви́дно, но не слы́шно (proverb) [children should be quiet] (proverb) children should be seen and not heard (proverb) [children should be quiet] (proverb)

RU EN Переводы слова быть

быть (v) [to control oneself when provoked] (sg: есть) forbear (v) [to control oneself when provoked]
быть (v) [to be like or similar to something else] (sg: есть) resemble (v) [to be like or similar to something else]
быть (v) [be carried on to land by water] (sg: есть) wash up (v) [be carried on to land by water]
быть (v) [to compare with something] (sg: есть) stack up (v) [to compare with something]
быть (sg: есть) be
быть (v) [to be less satisfactory than expected; to be inadequate or insufficient] (sg: есть) fall short (v) [to be less satisfactory than expected; to be inadequate or insufficient]
быть (v) [have ability to] (sg: есть) be able to (v) [have ability to]
быть (v int) [be cautious, careful] (sg: есть) take care (v int) [be cautious, careful]
быть (v) [to exist] (sg: есть) there be (v) [to exist] (v)

RU EN Переводы слова но

но (konj aber) but
но (prep adv conj n) [although] (konj aber) but (prep adv conj n) [although]
но (int) [directed at a horse] (konj aber) giddyup (int) [directed at a horse] (int)

RU EN Переводы слова не

не (v) [to refuse to allow] (part) disallow (v) [to refuse to allow]
не (adj n) [not the same] (part) different (adj n) [not the same]
не (n v) [drive dangerously close behind another vehicle] (part) tailgate (n v) [drive dangerously close behind another vehicle]
не (v) [express disapproval of] (part) deprecate (v) [express disapproval of] (formal)
не (part) not
не (adj) [Done or made in silence; implied, but not expressed; silent] (part) tacit (adj) [Done or made in silence; implied, but not expressed; silent] (formal)
не (adj) [unable to distinguish differences in pitch] (part) tone-deaf (adj) [unable to distinguish differences in pitch]
не (contraction n) [do not] (part) don't (contraction n) [do not]