Teflon
noun [ U ] trademark uk/ˈtef.lɒn/ us/ˈtef.lɑːn/
特氟隆（一种不易粘的涂料，常涂于炒锅的内层）
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.
Teflon
adjective [ before noun ] uk/ˈtef.lɒn/ us/ˈtef.lɑːn/
teflon 扳不倒的(指某人虽犯错误或违法却保持声誉不受损)
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。