used to indicate being in the process of a particular action, treatment, or change
在...之下
at the very edge or threshold of a particular state, situation, or event, often with the implication of facing a critical or crucial moment
在边缘
very close to a particular state, situation, or event, often with the implication that it is about to happen or reach a certain point
在边缘
used to express the state of being influenced or affected by something, such as a substance or external factor
在
used to indicate the state of abstaining from or being free from the effects or influence of that substance
不含
used to indicate being subject to the authority, control, or rule of someone or something
在...之下
used to express a position of influence, control, or authority over a person, group, or situation
在...之上