Definition
In a stable and balanced state, with no unexpected changes or disruptions.
平稳顺利
Since the new management team took over, the company has finally been back on an even keel.
自从新的管理团队接手后，公司终于恢复了稳定。
After experiencing much turbulence, the country seems to be getting back on an even keel.
在经历了许多动荡之后，这个国家似乎正在恢复稳定。
Since the kids started going to school, life at home has finally been on an even keel.
自从孩子们开始上学后，家中的生活终于恢复了稳定。