"What time were you planning lunch?"—"Half past twelve, if that's convenient."

“你打算什么时间吃午饭？”—“12:30，如果方便的话。”

《柯林斯英汉双解大词典》

If we replaced half of our administrative staff with classroom teachers, we might actually get a majority of our classes back to 20 or fewer students per teacher.

如果我们用课堂教师替换一半的行政人员，我们可能会让大多数班级回到每位教师管理20名或更少的学生的情况。

youdao

If a country is using only half of its resources, there will be an economic cost.

如果一个国家仅使用其一半的资源，就会为此付出经济代价。

youdao

If you plant inside, fill a seven and one-half centimeter pot with soil.

VOA: special.2009.04.21

She's a flower, she's perishable, she's half hidden, - and she's ultimately dead and in the ground-- whereas a star would seem to be something that she just can't be mapped onto if she is this half-hidden thing.

她是一朵花，是易腐烂的，有一半深埋在土里，最终凋谢回归土地-,如果她一般在土里,她就不可能是星星。

耶鲁公开课 - 文学理论导论课程节选

"Everyone is half-dead. It does not matter if you shell them because you are shelling a dead body."

VOA: standard.2010.01.02

No one would really blame those in the glass-is-half-full camp if they decided to take a wait-and-see approach to this market.

FORBES: What Investors Should Watch For as the World Crumbles

And why did they publish a two-and-a-half-year-old story as if it happened two days ago?

FORBES: Russian Sex Slave Media Mystery

He will serve a default prison sentence of two-and-a-half years if he fails to pay the amount back.

BBC: Peter Farquhar ordered to pay back profits from fraud