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ticklish
embarrassed; awkward; ill at ease (esp. when receiving public praise)
脇がこそばゆくて笑った。
My armpits were ticklish and I laughed.
褒められてこそばゆい気分だ。
I feel embarrassed being praised.
足の裏がこそばゆい。
The soles of my feet are ticklish.