to think / believe / feel / reckon / be under the impression / be of the opinion that…
It is thought / believed / reckoned that…
to be thought / believed / felt / reckoned to be sth
to think / believe / feel sth about sb / sth
to firmly think / believe / feel / be under the impression / be of the opinion
to mistakenly think / believe / feel / be under the impression
to sincerely think / believe / feel / hold
to strongly feel / be of the opinion
反对、不同意等概念：object differ disagree oppose protest resist
If no one objects, the plan will be implemented immediately.
She objected to recruiting that man.
在表示“不反对…”时，习惯上用 have no objection to，而不用 do not object to。
I have no objection to your plan.
Economists differ on the cause of inflation.
He always differs with her.
disagree v. 反对，不同意指与他人在看法上有分歧，也指不赞同计划、行动等，语气较differ 强烈，常后接介词 with。
I disagree with you on this matter.
Even close friends disagree sometimes.
Some people disagree with his argument.