For a decade and a half the party has been losing support.

十五年间，自民党逐渐失去支持。

youdao

Their difficult relationship has lasted for a decade and a half.

不过，他们关系难处，仅只维持了十年半。

youdao

I've been in a mixed marriage for a decade and a half now and gotten used to the stares and nudges.

至今，自己已有了一段长达十五年的异国婚姻。

youdao

in the past decade and a half. He also says more than half of all Americans working in the private sector are either employed by a small business or own one.

VOA: standard.2009.10.21

Usually, getting a drug from the laboratory to the market takes a decade and a half.

FORBES: Magazine Article

It poignantly recalls the pioneering days of mobile phones a decade and a half ago.

ECONOMIST: Is Iridium about to fall to earth?

By some estimates China alone might use 26m tonnes a year within a decade and a half.

ECONOMIST: Feeding the world has become a mouth-watering opportunity