Their teeth were flat.

他们的牙齿是平的。

youdao

The lease on their London flat runs out in a few months.

他们在伦敦公寓的租契再过几个月就期满了。

《新英汉大辞典》

Yet rather than empowering teachers to find what works best for their students, the policy imposes a flat, across-the-board rule.

然而，该政策并没有赋予教师权力去探索最适合他们学生的方法的能力，而是强加了一种单一的、一刀切的规则。

youdao

People driving during a tornado are told to find low ground and lay flat,facedown, with their hands covering their head.

VOA: special.2011.04.19

The tribesmen hurry. Their loads are heavy and their stomachs flat from little food.

VOA: special.2010.02.27

Unlike kilims, these "pile" carpets are not flat, they are deep and soft because their surfaces are covered with the ends of thousands of pieces of yarn.

VOA: special.2009.11.04

Too many Americans had seen their wages flat-line, their incomes flat-line.

WHITEHOUSE: Education: The Economic Issue of Our Time

The couple had been drinking at the flat with their friend Ian Hungerford, the court heard.

BBC: Louise Cox denies murdering partner in Trowbridge flat

Up here at Gillette Stadium, the Patriots are cool, flat with their emotion and toneless in their public moments.

WSJ: So What Makes Belichick Great?