An obstacle to progress
前进的障碍
🧩 词语组成解析
an
[æn]
art. 一（在元音字母前代替不定代词a）;一任一某一;一个;
to
[tu,tə]
prep. 向，朝着;到;关于;属于;
adv. 朝一个方向的;到某种状态;关闭;
progress
['prɑɡrɛs]
n. 进步;前进;[生物学]进化;（向更高方向）增长;
v. （使）进步，（使）进行;发展;促进;
vi. 发展;（向更高方向）增进;
pro向前，在前+gress走→向前走
🗣️ 情景例句
My grandfather is very much alive and kicking.
我的祖父还健在。
What do you do in your spare time?
闲暇时，你干些什么？
From then on, Harry decided that this little game he had invented might prove to be expensive.
从那以后，他认识到自己发明的小小恶作剧是要付出很大的代价的。