childishly russian

• детски

  childishly, in a childlike way, like a child

• по-де́тски

  childishly, like a child, in a childlike manner

• ребя́чески

  childishly, in a childlike way, like a child

• ребя́чившийся

  childish (who was childish), having acted childishly

• сюсю́кающий

  baby-talking, cooing, speaking childishly

Examples

• Она говори́ла по-детски.

  She talked childishly.

• В его голосе была какая-то детская умильность.

  There was something childishly endearing in his voice.

• Ребячившийся студент рассмешил всю компанию.

  The student who was acting childishly made the whole group laugh.

• Мужчина, ребячившийся минуту назад, вдруг стал серьёзным.

  The man who had been acting childishly a minute ago suddenly became serious.

• Ребячившаяся девушка бросала снежки в подруг.

  The girl who was acting childishly threw snowballs at her friends.