like: der Auftrag → →
der Auftrag ☊ 
giao phó, nhiệm vụ, hợp đồng ☊ 
☊ Under the terms of the contract the job should have been finished yesterday. ☊ contract ☊
'When will the job be finished?' 'It's hard to say.' (= it is difficult to be certain) ☊ hard ☊