4、gleeful
adj. 欣喜的; 高興的; 令人愉快的;
【例句】He took an almost gleeful delight in showing how wrong they can be.
他幾乎是幸災(zāi)樂禍地指出他們大錯(cuò)特錯(cuò)。
5、tactful
adj. 婉轉(zhuǎn); 得體的; 機(jī)智的，機(jī)敏的; 老練的，圓滑的;
【例句】He had been extremely tactful in dealing with the financial question
他在處理這個(gè)財(cái)務(wù)問題時(shí)很有分寸。
6、hopeful 英[hpfl] 美[hopfl]
adj. 抱有希望的; 給人以希望的;
n. 有成功希望的人;
【例句】I am hopeful this misunderstanding will be rectified very quickly
我相信這個(gè)誤會(huì)將很快得到糾正。