Meaning of 笑い子 in Japanese

赤ん坊は敵意のある笑いができるほど年をとってはいない。
The baby is not old enough to be capable of hostile laughter.

日本文化の文脈の中では当然と思われる微笑みも、外国人の間では、不気味な笑いとして多くの混乱を生み、また悪評が高い。
Our smile, which is understandable in the context of Japanese culture, sometimes causes a lot of confusion and is notorious among foreign people as a mysterious smile.

「ちがうちがう僕らは求めてる笑顔はあんなじゃない」　それは『嗤い』もしくは『嘲笑』。
"No, no! That isn't the smiling face we are looking for." It was a 'smirk' either that or a 'sneer'.

その子は母親に甘えた。
The child played the baby to his mother.