Correct option is D
Option (d) is the correct meaning of the given idiom.
Rock the boat: This idiom means to disturb or disrupt a situation that is currently stable or satisfactory, potentially causing trouble or instability. (Hindi meaning: किसी स्थिर स्थिति को बाधित करना)
Example: Everything was going smoothly in the project, so we decided not to rock the boat by introducing new changes.
Other idioms related to causing disruption:
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Stir the pot: To cause trouble or provoke a reaction by disrupting a situation.
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Upset the apple cart: To ruin or disrupt a plan or situation that was going well.