2 sentences

1. 他受命协办这项调查工作。

   tā shòu​mìng xié​bàn zhè xiàng diào​chá gōng​zuò.

   He was ordered to assist in this investigation.

   Source: Dong Chinese Dictionary

2. 本次研讨会由市教育局协办。

   běn cì yán​tǎo​huì yóu shì jiào​yù​jú xié​bàn.

   This seminar is co-organized by the Municipal Bureau of Education.

   Source: Dong Chinese Dictionary