我保证通力合作。

I can assure you of our close cooperation.

youdao

他能够和其他相关的人通力合作，成功地解决争端同时保证人际关系不被破坏。

He will then work collaboratively with other involved parties in order to successfully resolve the conflict issue while keeping important relationships intact.

youdao

与客房部及工程部门通力合作保证部门设备的完好与清洁。

To co-ordinate with Engineering and Housekeeping Departments to ensure maintenance and cleanliness. Ensure follow-up procedures are maintained.

youdao