dig oneself in1.挖防御工事;挖沟壕：Before the fight began，soldiers of both sides had dug themselves in.在战斗开始以前，双方的士兵已经掘好战壕。2.确保地位;使自己立于不动摇地位：Although the technician has come to our unit only for a short time，he has dug himself in.虽然那位技术人员来我们单位仅仅很短时间，但他已巩固了他的职位。 |