私の気持ちに変化があった。

Meaning
there was a change in my feelings

Vocab used in this sentence

i, my, me, i am, myself, private
to, of
気持ち
feeling, feelings, emotion, mood, temper, sensation
in, to, on, at, into, upon
変化
change, changing, variation, variety, transformation, transition, diversity, alteration, mutation, inflection
is, there, but, ga, will, however
あっ
oh, ah, ah, eh
the, was, ta, da, other

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