to be very busy with work or responsibilities
忙于工作或责任
"She can’t take on another task right now—she already has her hands full."
"她现在不能接受其他任务——她已经手忙脚乱了。"
to move or act in a way that shows belief in one's abilities
feeling very worried or tense because of problems
crazy or extremely worried
to make someone feel happier
to take strong action to stop something
to create the base or starting point for something