jar, pot
もしかして壷つぼに吐いた?
Did you spit into the pot, by any chance?
— JUNO/ジュノ (2007)
また騒ぎを…どうかな看守の思うつぼだ
Making a scene again... It's playing right into the guards' hands.
— マルコムX (1992)
つぼにたくさん砂糖が入っていますか。
Is there a lot of sugar in the jar?
これは彼が最も大切にしているつぼだ。
This is the vase he treasures most.
白人の思うつぼだ
This is playing right into white people's hands.