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phr

• ① 与…并列
  • I could not get up to him.我赶不上他。

• ② 直到;以至;达到,及于
  • up to this time [now]直到现在,到现在为止
  • He was up to his knees in the snow.他在深及膝盖的雪中。
  • School attendance is compulsory for all children up to the age of fourteen.到十四岁为止的儿童都有就学的义务。

• ③[通常用于否定句或疑问句]【口】适于(工作等),胜任,能作
  • She's did not feel up to going out.她(因心情不好)不想出门。

• ④ (在价值等方面)匹敌于,接近
  • He is not up to his father as a scholar.做为一名学者,他不及他的父亲。
  • This cigar is not up to much.这种雪茄烟并不怎么好。

• ⑤ 了解,十分地认识
  • He was up to all their tricks.他知悉他们所有的诡计。

• ⑥ 【口】干(通常为坏事);正在做;图谋
  • He is up to something.他正在做某事。
  • What's he up to with that gun?他拿那枝枪干什么?

• ⑦ 【口】应由(某人)负责;由…决定;轮到…;为…的义务
  • "Coffee or tea?"－"It's up to you."「咖啡还是红茶?」「由你决定。」
  • It's up to him to support his parents.他理应奉养双亲。
  • It's up to you whether to tell her or not.要不要告诉她由你决定。
  • The final decision is up to you.最后的决定在你。