对半的英文：
half-and-half
n. 一半；半场，半局
adj. 一半的，不完全的
adv. 一半地，部分地
That is a job and a half.
那是非常困难的工作。
half-believe ";"half believing, half doubting
将信将疑
His reply was taken half seriously half in jest.
他的答覆看来是半开玩笑半认真的。
a half - and - half mixture of linseed oil and turpentine.
亚麻籽油和松节油两种成分各占一半的混合物