意思：
不能孤立地看“dig +反身代词”的意思，注意下列两个短语的意思：
dig yourself (into) a 'hole
英文解释：get yourself into a bad situation that it will be very difficult to get out of
中文意思： 使自己陷入困境；使自己处境尴尬；自食恶果:
如：
When I started lying to him, I realized that I was digging myself into a hole which would be very difficult to get out of.
我一开始向他说谎，就意识到自己是在给自己挖难以挣脱的陷阱。
dig yourself 'in
英文解释： to make a safe place for yourself in the ground and prepare for the enemy to attack
中文意思： 掘壕防守；挖掩体隐蔽:
如：
They advanced a short distance and dug themselves in.
他们向前推进了一点就挖掩体隐蔽。