Four boys sit on chairs.

四个男孩坐在椅子上。

youdao

Four boys caught him to prevent the thud.

四个男孩抓住他以防止他砰的一声掉下来。

youdao

Four girls, four boys.

四个女孩，四个男孩。

youdao

They had six children over a seven-year period, four girls and two boys.

VOA: special.2010.04.18

He was twelve when the rebel group, the Revolutionary United Front, attacked his village and abducted him and four other boys.

VOA: standard.2010.06.07

One person not calling for the four boys to be thrown behind bars is Klein.

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He married Mary Todd, and they had four boys, only one of whom lived to maturity.

WHITEHOUSE: Abraham Lincoln

After 13 years of raising four boys together, Kris Perry and Sandy Stier are about to be empty nesters.

NPR: AP Interview: Couple Reflects On Gay Marriage