insist

To demand something forcefully; to maintain a position firmly despite opposition; to state positively.

• insistence/ɪnˈsɪstəns/(n)坚持；坚决要求
• insistent/ɪnˈsɪstənt/(adj)坚持的；不断要求的

• insist on
• insist that
• firmly insist
• continue to insist
• insist upon
• insist despite

1. 1.She insisted that all decisions be made in writing, which reduced ambiguity and protected everyone involved.
2. 2.The union insisted on a 10% pay increase as a condition of any agreement, which complicated the negotiations significantly.

• demand/dɪˈmɑːnd/— to require firmly
• maintain/meɪnˈteɪn/— to hold a position
• persist/pəˈsɪst/— to continue firmly despite opposition

from Latin "insistere," from "in-" (upon) + "sistere" (to stand)