1.single currency 单一货币

例句:On membership of the single currency, the Government's policy is unchanged.
作为单一货币的成员国，英国政府的政策始终如一。

2.sooner or later 迟早；早晚

例句:He will sooner or later be rewarded for his wicked conduct.
他的恶行迟早会受到报应。

3.half-hearted 力不从心；敷衍了事

例句:I am sorry that he should be so half-hearted about the important work.
我很遗憾，他对这项重要工作竟这样敷衍塞责。

4.when it comes to 谈及；提到

例句:When it comes to the crunch they will support us.
到紧要关头他们会支持我们的。