对事故的说法我们必须一口咬定，再不改口。

We must stick to our story about the accident.

《牛津词典》

他一口咬定当时不在现场。

He stated categorically that he was not at the scene of the crime.

《新英汉大辞典》

哥伦布一口咬定说地球实在是圆的。

Columbus contended that the earth was round.

youdao

他们一口咬定盗窃案是他干的。

They nailed him for that theft.

youdao

被告一口咬定说他是无罪的。

The accused person stuck out that he was innocent of the crime.

youdao

总之，姑娘一口咬定，她根本不认识他们。

In short, the girl insisted that she did not know them.

youdao

那个流氓诬赖那个年轻人，一口咬定他是小偷。

The rogue swore against the young man, saying he was a thief.

youdao

那个流氓诬赖那个年轻人，一口咬定他是小偷。

The rogue swore against the young man, saying he was a thief.

youdao