I'll have to stay at the office.I don't know when I'll finish.
我不得不留在办公室，不知道什么时候才能结束。
新概念英语第一册
Lesson 139 Is that you, John
📚 句中词汇解析
从本句中提取的重要词汇
n. 办公室;办公楼;问询处;重要官职;
💡 fac, fect, fic, fig, fea =make,do,表示”做,制作”
"The office was light and airy."
办公室又明亮又通风。
近义：organisation, organization, bureau, department, agency, entity
vt.& vi. 完成;结束;吃光;使筋疲力尽;
n. 结尾;结束;最后阶段;抛光;
💡 fin结束，范围+ish单词后缀 →完成，结束
"He made a concentrated effort to finish the work on time."
他全力以赴以按时完成这项工作。
近义：artisanship, polish, refinement, style, finesse, gentility
反义：initiate, start, commence, open, enrich, inauguration
vt.& vi. 停留;停止;坚持;抑制;
vi. 继续处于某种状态;
n. 逗留;延期;倚靠;忍耐;
💡 停留停（t）下来说（say）话
"You cannot stay here ad infinitum without paying rent."
你不付房租就不能永远住在这里。
近义：remain, abide, endure, hold, interrupt, postpone
反义：migrate, absquatulate, retire, retreat, scat, transmigrate
v. 知道;了解;认识;确信;
n. 知情;
💡 知道know的人爱说自己不no知道
"Do you know your ABC?"
你认识所有的字母吗？
近义：learn, understand, get, cognize, comprehend, meet