约定俗成: established by popular usage (idiom); common usage agreement, customary convention...
透彻: penetrating, thorough, incisive...
美满: happy, blissful...
抽签: to perform divination with sticks, to draw lots, a ballot (in share dealing)...
得: to have to, must, ought to, to need to...
定金: down payment, advance payment...
工作日: workday, working day, weekday...
炒股: (coll.) to speculate in stocks...
保守: conservative, to guard, to keep...
