Definition: something that someone tells you to do Level: C2
老板为这个项目提供了详细的指示。
The boss provided detailed ___instructions for the project.
她留下了具体的指示，包裹在她到达之前不得打开。
She left specific ___instructions that the package should not be opened until her arrival.
在实验室中，遵守安全指示是强制性的。
Adhering to the safety ___instructions is mandatory in the laboratory.
