If there's more than one person who pushes their opinions on a business project, things do not go well.
When people are working as a team and more than one individual starts to pushes their own ideas, thing will not go smoothly.
ーIf there's more than one person who pushes their opinions on a business project, things do not go well.
「ビジネスプロジェクトで意見を押し通す人が複数いるとうまくいかない。」
「複数」は more then one と言えます。
push one's opinions で「自分の意見を押し通す」
go well で「うまくいく」
ーWhen people are working as a team and more than one individual starts to push their own ideas, things do not go smoothly.
「チームで作業していて、複数の人が意見を押し通し始めると、事がスムーズにいかなくなる。」
work as a team で「チームとして働く・チームで作業する」
push one's own ideas で「自分の意見・アイデアを押し通す」
go smoothly「スムーズにいく・うまくいく」
ご参考まで！
カナダ 
