一定是她干的
“It was her.”
THE DIALOGUE REEL
一定是她干的
“It was her.”
Direct spoken expression in this communicative setting.
Using direct, unhedged blame in tense situations reflects acute rivalry and suspicion rather than measured legal deliberation.
LEARNING CHUNKS & PARTICLES
must be; definitely is
Used to assert a strong deduction or unwavering certainty about a situation.
did it; committed by
Often used in spoken Chinese when attributing responsibility for a negative act or misdeed.
Functions in the 'shi... de' construction to emphasize the agent responsible for the action.