Opposite

互

Mutual, Opposite, Reciprocal

反

Anti, Contrary, Flip, Infer, Instead, Introspect, Oppose, Opposite, Retreat, Retrospect, Return, Reverse, Switch, Turn

對

Correct, Corresponding, Oppose, Opposite, Pair, Proper, Right, To, Towards, Yes

反方

Against, Opposite

對著

Against, At, Opposite, Towards

相反

Contrary, In, Instead, On the, Opposing, Opposite, The