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to behave like a spoiled child; to fawn on
to take advantage of; to presume upon (e.g. another's benevolence); to depend on
母親に甘えて困らせました。
I troubled my mother by acting spoiled.
親にいつまでも甘えてはいけない。
You shouldn't depend on your parents forever.
彼女が甘えるような仕草がとても可愛いです。
Her dependent gestures are cute.