1. Chance Encounter with Liu Li 2 2. The Unforeseen Meeting with Liu Li 2 3. Unexpected Encounter with Liu Li 2 4. Serendipitous Meeting with Liu Li 2 5. Coincidental Encounter with Liu Li 2 6. Random Meeting with Liu Li 2 7. Fortuitous Run-in with Liu Li 2 8. Accidental Meeting with Liu Li 2 9. Spontaneous Encounter with Liu Li 2 10. Surprise Meeting with Liu Li 2