discretion

你可以信赖我的谨慎。

You can rely on my ___discretion.

她以极大的谨慎处理了这些敏感信息。

She handled the sensitive information with great ___discretion.

此类事宜的最终批准由委员会自行裁决。

The final approval for such matters is decided at the ___discretion of the committee.