Translation of "Indicate" in Chinese

Smiles do not always indicate pleasure.

微笑並不一定表示高興。

Please, can you indicate this to me on the map?

请你在地图上指给我看。

I took his not coming to indicate that he wasn't interested.

我將他的缺席視為沒有興趣。

They express disagreement by shaking their heads, which may indicate agreement in other countries.

他们以摇头表示不同意，而其他国家的人可能以摇头表示同意。