A (碗) 碗 wan3
bowl
Schüssel,Schale
D (飯碗) 饭碗 fan4wan3
position/ job/ rice bowl
Reisschüssel, Eßnapf
D (鐵飯碗) 铁饭碗 tie3 fan4wan3
iron bowl/ a secure job
eiserne Reisschale
鐵 铁 iron / strong, solid, firm
飯 饭 cooked rice / food, meal
碗 碗 bowl, small dish