Obligator
[经] 义务人, 债务人
🗣️ 情景例句
Too late now.
现在太迟了。
If you concentrate all your energies on the study of English, you will master the language.
你若全力以赴地学习英语，你会掌握这门语言的。
so she ran straight at them.
于是她直冲过去。