I can't understand why he is being so selfish. He isn't usually like that.
我不明白他此刻怎么這么自私。他平時不這樣。
英語語法突破 200 句 一般現在時

?? 句中詞匯解析

從本句中提取的重要詞匯

understand ['?nd?'st?nd] 詞頻1
vt.& vi. 懂，理解; vt. 了解;默認;聽說;領會;
?? under(under)+stand→懂；了解；通曉；認為
"That's just an approximation, you understand."
你知道那僅僅是近似值。
近義：ideate, imagine, apprehend, interpret, assimilate, penetrate 反義：misapprehend, misconstrue, mishear, misinterpret, misrepresent, misread
selfish ['s?lf??] 詞頻2 詞根: self
adj. 自私的，利己的;
?? self自己的 + ish 形容詞后綴→ 自私的,利己的
"They painted him to be indecisive, negative, and selfish."
他被描繪成一個優柔寡斷 、 消極又自私的人.
近義：opportunist, calculating, egocentric, egoistic, egoistical, egomaniacal 反義：liberal, loose, nobleminded, openhanded, selfless, ungrudging
usually ['ju?u?li] 詞頻1 詞根: 使用
adv. 通常，經常，平常，慣常地;一直，向來;動不動，一般;素;
?? usual通常的+ly副詞后綴→通常地，慣常地
"The discovery of distillation is usually accredited to the Arabs of the 11th century."
通常認為，蒸餾法是阿拉伯人在11世紀發明的。
近義：invariably, mostly, normally, oft, often, oftentimes 反義：infrequently, occasionally, seldom, sometimes

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