1. 脚踩两只船：脚踏实地 be down-to-earth | 脚踩两只船 sit on the fence | 侥幸球 fluke

2. 脚踩两只船(随风倒)：have a card up one's sleeve 胸有成竹; | sit on the fence 脚踩两只船(随风倒 | cry wolf 烽火戏诸侯;

3. 骑墙, 中立：filling gun 注油枪 | sit on the fence 骑墙, 中立 | backstretch 美(跑道的)非终点直道

4. 骑墙,固守中立：Sit above the salt 坐上席,受尊敬 | sit on the fence 骑墙,固守中立 | sit on a volcano 处境十分危险