資料來源 : pyDict

掘土以摻進;專心致志地幹起來

資料來源 : WordNet®

dig in
     v 1: occupy a trench or secured area; "The troops dug in for the
          night" [syn: {entrench}]
     2: eat heartily; "The food was placed on the table and the
        children pitched in" [syn: {pitch in}]