a brand name for a type of plastic that is very smooth and does not have chemical reactions with other substances. It is used in industry and as a surface for cooking pans so that food does not stick to the pan.

used to describe someone who manages to avoid criticism and keep a good reputation, even after they have done something wrong

The Teflon President survived the crisis with his reputation intact. 扳不倒的总统（特指美国前总统罗纳德·里根）在危机中幸存下来，声誉完好。