in words 口に出して

in words of one syllable 簡単な言葉で ・The directions were so complicated that the teacher had to re-phrase them in words of one syllable for all the students after the test started. テストが始まったあと、指示がとても複雑だったので、先生は生徒全員のために簡単な言葉で説明し直さなければならなかった。

in words that laymen can understand 平易な［素人にも理解できる］言葉で