这个社区采取有效措施后，现在已经完全没有老鼠了。

After implementing effective measures, this neighborhood is now completely ___rat-free.

新经理承诺通过培养诚实文化，确保部门不再有老鼠（指不诚实的人）。

The new manager promised to keep the department ___rat-free by fostering a culture of honesty.