At about three months after surgery, most patients are reasonably comfortable, have motion about half normal, but do notice some weakness.

大概术后三个月，大多数病人会觉得相当舒服，活动范围达到正常时的一半，但是会觉得虚弱。

youdao

The study, by Israeli researchers, included 36 women with anorexia or bulimia and 40 women with no eating disorder, half of them overweight and half normal weight.

以色列研究人员请了36位厌食症或暴食症和40位没有进食障碍的女性，她们中半数体重正常，半数体重超标参加研究。让她们给自己画像，发现其中有很多不同之处。

youdao

The games lasted only half the normal time.

这场比赛只持续了正常比赛时间的一半。

《柯林斯英汉双解大词典》

"Harry Potter and the Half-Blood Prince" will be shown in normal theaters as well as on the huge screens of IMAX theaters.

VOA: special.2009.06.12

Some of the tracks were recorded at normal speed and some were recorded at half speed.

VOA: special.2009.09.27

Played at normal speed, the half speed recordings sound twice as fast.

VOA: special.2009.09.27

But Dr Dial wanted to be sure, so he compared the accomplishments of normal partridges with birds that had their wing feathers clipped to half their normal surface area, and to even less fortunate fowl whose main flight feathers were entirely plucked.

ECONOMIST: Birds that don't fly may be using their wings to run uphill

So far this year, six tornadoes have been reported -- about half the normal number.

CNN: Fierce weather spawns tornadoes in Missouri, Arkansas

Thus far in 2013, six tornadoes have been reported, about half the normal number.

CNN: Tornado smashes Arkansas homes, destroys church