不完全地,半心半意地,半途而廢地
Halves \Halves\, n.,
pl. of {Half}.
{By halves}, by one half at once; halfway; fragmentarily;
partially; incompletely.
I can not believe by halves; either I have faith, or
I have it not. --J. H.
Newman.
{To go halves}. See under {Go}.