1. 包围：lay paper 开空头支票 | lay siege to 包围 | lay store by 重视

2. 围攻：361.lay siege to 围攻. | 362.lay stress on 重视,注重. | 363.lay up 贮藏,使困卧.

3. 努力追求：stick at:努力做 | lay siege to:努力追求 | labor for:努力争取

4. 围困,围攻(城镇、建筑物等)：Under siege 被包围,被围困 | Lay siege to 围困,围攻(城镇、建筑物等) | Conquest The act of defeating an army or taking land by fighting战胜(敌人),成功(登陆)