I'm-I'm probably just being a little overcautious.

我 我可能有点太过谨慎了。

At the national level, where governments typically spend about 40% of GDP, Europeans have been culpably overcautious.

在国家层面，政府支出通常占GDP的40%左右，欧洲国家的谨慎是罪魁祸首。

He can be a bit overcautious with the radiation scans.

他有些滥用放射检查。