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head
変な味に小首をかしげた。
She tilted her head in puzzlement at the strange taste.
犬は奇妙な音に小首をかしげている。
The dog is tilting its head at the strange sound.
学生たちは、複雑な問題に小首をかしげがちだ。
Students tend to tilt their heads when faced with complex problems.