əˈtɛmpt kənˈtɹækt ˌɡæɹənˈtiː ˌɡɛəɹənˈtiː ˈtækəl ʌndəˈteɪk

enter into a contractual arrangement promise to do or accomplish guarantee to free the prisoners enter upon an activity or enterprise accept as a charge accept as a challenge I'll tackle this difficult task