Translation of "Tense" in Chinese

Everyone seems tense.

每个人似乎都很紧张。

He was tense with his new business.

他對他的新業務感到緊張。

- You look tense.
- You seem very nervous.

你看起来很紧张。

- You seem stressed.
- You look tense.
- You seemed stressed.

你看起来很紧张。

Recently, this area's international relations have become very tense.

最近這個區域的國際形勢很緊張。