Translation of "Appropriate" in Chinese

Local people can give appropriate advice.

當地人可以給予適切的建議。

I need to configure this server with an appropriate firewall system.

我该在这个服务器上设置一个防火墙。

I hear that keeping yourself hydrated at appropriate times can help prevent heatstroke.

听说适时地补充水分可以预防中暑。

I had to change clothes because what I was wearing wasn't appropriate for the situation.

我必须要换衣服，因为我现在穿的衣服不适合这个环境。