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poor; pitiable; pathetic; pitiful
雨の中に子猫がいてかわいそうだった。
There was a kitten out in the rain, and I felt sorry for it.
一人で泣いている子供がかわいそうになった。
I felt bad for the child crying alone.
病気で学校に行けないのはかわいそうだと思う。
I think it's sad that they can't go to school because of illness.