[dà bàn]
(过半数) more than half; greater part; for the most part; best part of; most
the greater part of a day; most of the day
大半天
Most of them are young.
他们大半是青年人。
The greater part of the project has been completed.
工程已完成一大半了。
Most probably she isn't going.
她大半不去了。
It's so cloudy and cold that it's likely to snow.
天气又阴又冷,大半要下雪。