义务；责任；应作的事duty; duties(plural); responsibility; obligation

• 本分以内的事

  part of one's duty

• 尽自己的本分

  do one's duty

• 他完成本分工作以外, 还帮助别人。

  Besides completing his own work, he also helped others do theirs.

守本分to be content with one's lot