This is the 358th most frequent Chinese word.
坚决
Firm; resolute; determined.
In this sentence, '坚决' is used to describe the firm attitude of the subject towards opposing the plan, emphasizing determination and resoluteness.
他坚决反对这个计划。
He firmly opposes this plan.
The use of '坚决' in this example illustrates an individual's determined state of mind in facing and resisting challenges.
她坚决不向困难妥协。
She resolutely refuses to compromise with difficulties.
Here, '坚决' conveys the necessity of strong and unwavering support for environmental policies, highlighting an authoritative agreement.