in
[介词]
used to indicate being in a particular situation, mood, or physical state
Ex: The child in awe of the magician 's tricks .
near
[介词]
used to indicate being close to a particular state or condition

接近, 近乎
Ex: The country near economic collapse due to the ongoing crisis .
under
[介词]
being in the process of a particular action, treatment, or change
Ex: The road under construction .
on the brink of
[介词]
very close to doing or experiencing something, especially something significant or critical

在……边缘, 接近……
on the verge of
[介词]
very close to a particular state, situation, or event, often with the implication that it is about to happen or reach a certain point

即将, 濒临
on
[介词]
under the influence of a drug or intoxicating substance
Ex: They caught him driving on narcotics .
off
[介词]
used to indicate the state of abstaining from or being free from the effects or influence of that substance

脱离, 不再使用
under
[介词]
being subject to the rule, authority, or governance of something or someone
Ex: Citizens under a harsh dictatorship .

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