I was annoyed with myself for having so quickly and mindlessly lost thirty dollars.

那么快愚蠢地丢了30美元，我很生自己的气。

《柯林斯英汉双解大词典》

It was amazing how my mother coped with bringing up three children on less than thirty dollars a week.

让人惊叹的是我妈妈怎样以每周不到30美元的开销养大了3个孩子。

《柯林斯英汉双解大词典》

It is thirty dollars.

它三十美元。

youdao

Roots of Peace says a landmine costs anywhere from three to thirty dollars to produce and place in the ground.

VOA: special.2010.05.03

He sold the milk for thirty dollars for a little less than four liters.

VOA: special.2009.02.11

In Washington, jurors receive thirty dollars a day for jury duty.

VOA: special.2009.08.31

He gave Kate his scarf and his phone and his keys and all his money, which amounted to about thirty dollars.

NEWYORKER: Another Manhattan

About forty contributors, many of them from Wall Street, had paid thirty thousand dollars each to dine with him.

NEWYORKER: Schmooze or Lose

He hopes to sell it in Tucson, for at least thirty thousand dollars.

NEWYORKER: Bones of Contention