stiffen
英 ['st?f(?)n]
美['st?fn]
- vi. 變硬；變猛烈；變粘
- vt. 使變硬；使粘稠
英英釋意
- 1. become stiff or stiffer;
- "He stiffened when he saw his boss enter the room"
- 2. make stiff or stiffer;
- "Stiffen the cream by adding gelatine"
- 3. restrict;
- "Tighten the rules"
- "stiffen the regulations"