1.objective adj.目标的;客观的 n. 目标，任务
例句：What is the main objective of this project?
这个项目的主要目标是什么？
2.oblige vt. 强制，强迫;
例句：Parents are obliged by law to send their children to school.
法律规定父母必须送子女入学。
例句：This room is too obscure to read.
这房间太昏暗了，无法看书。
例句：There’s a nasty streak in his character.
他性格中有令人讨厌的一面。
例句：His new job necessitated him/his getting up at six.
新工作使他不得不六点钟起床。
