1.I kicked my son because of his wantonness.
漢因為我兒子的任性,我踢了他。
2.The wantonness of the girl's character annoyed us.
漢那個女孩變化無常的性格讓我們很生氣。
1. the trait of lacking restraint or control; freedom from inhibition or worry;
"she danced with abandon"
2. the quality of being lewd and lascivious