You should keep us informed whenever you are in trouble.

无论何时一旦你遇到麻烦要随时通知我们。

youdao

Please keep us informed if there is any change in the plan.

如若计划有何改变，敬请告知！

youdao

Please keep us informed if there is any change in the plan.

如若计划有何改变，敬请告知！

youdao