thingummy
(also thingumajig , thingumabob , thingy ) n (infml 口) personor thing whose name one does not know or has forgottenor does not wish to mention 某人, 某物(其名不详或已忘记或不愿提及).
🗣️ 情景例句
Frank, you've never played charades?
Frank,你从来没玩过哑谜?
The world is a ladder for some to go up and others to go down.