不仁慈的 meaning in English

u itiful
unmerciful
unpitiful

It ' s unkind to laugh at a person who is in trouble
嘲笑陷入困境的人是不仁慈的。
But how shall we expect charity towards others , when we are uncharitable to ourselves
但是，我们对待自己都不仁慈的时候，又怎么可能善待他人？
Science is very unkind mistress . she poorly rewards those who give themselves to her service
科学是个很不仁慈的女主人。她吝啬地报答那些为科学而献身的人。