clinch/klɪntʃ/
vt., vi.1. 敲弯钉头钉牢；钉住2. 把（木头）钉牢在一起3. 确定；决定（贸易等）；达成买卖或合同The two companies clinched the deal quickly.两家公司很快地成交了。
The offer of more money clinched it for her. She agree to undertake the job as the assistant to the managing director.由于薪酬增加而达成协议，她同意承担总经理助手的工作。
4. 〈拳击〉用臂互抱