Speaker_A: Is jy siek? – Speaker_B: Tsk [either alveolar or lateral]
Speaker_A: Is jy siek? – Speaker_B: Tsk [either alveolar or lateral]
Speaker_a: be 2sg ill – Speaker_B: Tsk
Speaker A: Are you ill? – Speaker B: Stupid question! / Can't you see? I am visibly ill/fine.