to represent someone else's opinion politely
礼貌地代表别人表达意见 (lǐmào de dàibiǎo biérén biǎodá yìjiàn)
"I’d like to speak on behalf of my team regarding this issue."
"我想就此问题代表我的团队发言。" (Wǒ xiǎng jiù cǐ wèntí **dàibiǎo wǒ de tuánduì fāyán**.)
to strengthen belief in your own abilities
to change the way one thinks about something
to start enjoying or developing an interest in something
to complete something that you have started or promised
to introduce changes gradually over time
to give someone the latest information about something