vi. 發生;碰巧;出現;偶然遇到;
?? hap(luck)+pen(動詞后綴)→發生;偶然發生;碰巧
"It's frightening to think it could happen again."
想到此事可能再次發生就使人不寒而栗。
近義:arise, issue, occur, pass, supervene, transpire
v. 知道;了解;認識;確信;
n. 知情;
?? 知道know的人愛說自己不no知道
"Do you know your ABC?"
你認識所有的字母嗎?
近義:learn, understand, get, cognize, comprehend, meet