keep half an eye on something分神留意splash out随意花钱 大肆挥霍half a mind有想做某事go Dutch v. 各自付帐,打平伙chance in a million n. 百万分之一的机遇half the battle n. 成功了一半(有助于成功的条件)in dribs and drabs adj. 一小部分,一点点of a kind同类的, 徒有其名的take the bull by the horns采取果敢行动应付艰险局面, 明知山有虎,…