（姓氏） a surname:

• 任华

  Ren Hua

（任用） appoint:

• 新任的市长

  the newly appointed mayor;

• 他被任为那所大学的终身教授。

  He was appointed professor in the university for life.

（担任） assume a post; take up a job:

• 他任教多年了。

  He has been a teacher for many years.

• 他连任十年大使。

  He took up office as an ambassador for ten years continuously.

• 他在法国内阁中任过许多重要职务。

  He had held many important offices in the French cabinet.

• 一毕业她就被分配任学校的会计。

  Upon graduation she was assigned to the position of treasurer of the school.

（任凭; 听任） let; allow; give free rein to:

• 任想像纵情奔放

  give full reins to one's imagination;

• 去还是不去，任你决定。

  It's up to you to decide whether you go or not.

• 任你挑选一个。

  Choose any one you like.

（职务） official post; office:

• 返任

  resume charge of the office; return to one's post;

• 赴任

  proceed to take up one's post;

• 就[离]任

  assume [leave] office;

• 离任期间

  during one's absence;

• 任满

  expiration of one's term of office;

• 任内

  during one's term [tenure] of office;

• 上任

  take up an official post; assume office

（用于任职的次数）:

• 做过两任大使

  have twice been ambassador

（不论; 无论） no matter (how, what, etc.):

• 任他怎么说，也别信他。

  Don't trust him, no matter what he says.

• 任我们怎样劝说， 他也不听。

  No matter how hard we tried to persuade him, he wouldn't listen.