Definition
To be in a position where one is not actively involved in an activity or situation; to observe without participating.
旁觀，不參與
Throughout the project, he remained on the sidelines, never truly getting involved.
在整個項目中，他始終保持旁觀，從未真正參與。
Many commentators are just watching from the sidelines, offering no constructive solutions.
許多評論員只是在一旁觀看，沒有提供任何建設性的解決方案。
She grew tired of being on the sidelines while others made the decisions.
她厭倦了在一旁觀看，而其他人卻在做決定。