阻止

prevent; stop; hinder; prohibit; discourage; arrest; block; obstruct; impede; preclude; deter; halt; check; curb; inhibit; restrain; thwart; stymie; forestall; forfend; hold back; nip in the bud; prevention; discouragement; obstructive; resistant; anti-; against

事态

situation; state of affairs; condition; circumstances; development; turn of events

恶化

worsen; deteriorate; degenerate; go downhill; decay; degrade; decline; regress; compound; poison; slip; suffer; deepen; escalate; rupture; exacerbate; aggravate; inflame; fuel; sink; flare; complicate; boil over; turn sour; fester; heat up; deterioration; worsening; degeneration; descent; slide; aggravation; rot; degradation; ratchet; deteriorated; worsened; degenerated