1 contradiction

2 classifier: 个 gè

3 conflicting views

4 contradictory

1 support

2 backing

1 shield

2 (currency) Vietnamese dong

3 currency unit of several countries (Indonesian rupiah, Dutch gulden etc)

1 shield

2 pretext

3 excuse

1 tunnel boring machine

1 lit. use sb's spear to attack his shield (idiom, derived from Han Feizi 韓非子|韩非子); turning a weapon against its owner

2 fig. to attack an opponent using his own devices

3 hoist with his own petard