The meat will scorch if you don't lower the gas.
如果你不把煤气调小一点，肉就要焦了。
They had to lower their sights and buy a smaller house than they would have liked.
他们原来想买一所大房子，後来不得不降低要求买一所较小的。
We didn't win the contract: we were pipped at the post by a firm whose price was lower.
我们未得到那份合同的生意, 最後是让一家出价低的公司击败了我们.
