I'm not kind or mature enough to show a friendly smile with someone I hate.

I'm not kind or mature enough to show a friendly smile with someone I hate.
I'm not kind or mature enough to show a friendly smile with someone I hate.

I'm not kind or mature enough to show a friendly smile with someone I hate.
我不能对一个我恨的人友善的笑,我没有那么善良和成熟.

我还不至于那么善良或成熟，能够给一个我恨的人以友好的微笑

要对我恨的人表现出友善的微笑，我还没那么好脾气

我不是足够善良去对一个我讨厌的人展露友好的微笑