They finished the task within half a year.

他们在半年内完成了那项任务。

youdao

From the table we can see that within half a year of 1998, a total of 532 people became the victims of traffic accidents, of whom 460 were injured and 72 killed.

根据图表可以看出，1998年半年内，总共有532人成了交通事故的受害者，其中460人受伤，72人死亡。

youdao

It is reportedly the second time that he has proposed such a bill within half a year.

据悉，这已是半年内他第二次提交类似议案。

youdao

Indeed, futures contracts on the Vix indicate that investors expect the gauge to climb above 20 points within half a year, and the volume of bets remains elevated.

CNN: Fear index plummets to a 5?-year low

It said 58% of short-sentenced prisoners committed a crime within a year and half a million offences were committed each year by released prisoners.

BBC: A prisoner in a cell

The average period chief marketing officers hold a job jumped from 34.7 months to 42 months last year, an increase of more than half a year within the space of a year.

FORBES: CMOs Are Staying on the Job Longer Than Ever