to catch someone off guard; to surprise unexpectedly
突然让某人感到吃惊
"The sudden rain took us by surprise."
"突如其来的雨让我们感到惊讶。"
to survive financially in difficult times
not paying attention; lost in thought
take action to achieve something
to test the limits or performance of an AI system
to finish something before the deadline
penalties imposed by one country on another to influence beh...
