Constitute a serious difficulty
造成严重困难
🧩 词语组成解析
serious
['sɪrɪəs]
adj. 严肃的，严重的;认真的，庄重的;重要的;危险的;
🗣️ 情景例句
How come you're not studying?
你为什么不学习？
Better be the head of the yeomanry than the tail of the gentry.
宁作自由民之首，不为贵族之尾。
It must have been a gas that could burn but that would not explode, a gas that did not smell strong, and a gas that did not kill people.
它一定是一种能够燃烧而不能爆炸的气体，一种味道不很强的而且不使人致死的气体。