1.race down 紧追不舍

Competitors race down the hill after the cheese, and the first one to the bottom wins the cheese.
参赛者要紧随芝士跑下山，第一个到山底的人便可以赢得奶酪。

Perform cool tricks and awesome jumps for maximum airtime, race down the slopes at breakneck speed and beat the records.
酷花招执行和可怕的跳跃最大的时段，种族下跌的山坡上急速和殴打的记录。

2.eager to 渴望

They are eager to buy their government bonds.
他们热心购买政府债券。

They are eager to buy their government bonds.
他们热心购买公债。