gaau1 dou1膠刀

Jyutpinggaau1 dou1

Yalegāau dōu

Definition

Plastic knife.

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How it's used

Refers specifically to disposable cutlery often provided with takeout food or party supplies. It carries a connotation of being flimsy or ineffective compared to metal utensils. People often use it to complain about the difficulty of cutting through tougher items.

Measure word

baa2把bá

Examples

nei5你lo2攞baa2把gaau1膠dou1刀cit3切daan6蛋gou1糕mei6未aa4呀？

Have you taken the plastic knife to cut the cake yet?

nei1呢dou6度dak1得baa2把gaau1膠dou1刀，dim2點joeng2樣cit3切hoi1開go3個saang1生gwo2果？

There is only a plastic knife here, how can I cut the fruit open?

Common phrases

zik1即hei3棄gaau1膠dou1刀

disposable plastic knife

Common mistake

Do not confuse this with 鎅刀, which refers to a utility knife or box cutter used for heavy duty cutting. Using 膠刀 to describe a metal utility knife will cause confusion.