1. 充分活动：allow for 虑及 | allow full play to 充分活动 | allow of 容许
2. 使充分活动[发挥]：allow full play to 使充分活动[发挥] | as good as a play (象戏剧那样)有趣的 | be played out 精疲力尽
3. 使充分活动：allow free entrance to || 允许自由进入 | allow full play to || 使充分活动 | allow of || 容许
4. 充分发挥：allow a discount on 打折扣 | allow full play to 充分发挥 | allow retention 容许保留