Two of the children abused by Lin Min ended up having nightmares. SINGAPORE: A former Mandarin teacher from a Kinderland preschool admitted on Wednesday (Mar 5) to abusing four children under her care. The court heard how Lin Min, 35, forced two of them to drink water and handled them roughly when they refused to. Following the incidents, parents of these two toddlers observed that their children had nightmares where they would say "no" or "bye bye lao shi (teacher)". The case made the news in