regrettable
adj
that is or should be regretted 令人痛惜的; 令人遗憾的; 可悲的; 不幸的
regrettable failures, losses, mistakes, etc 令人惋惜的失败、 损失、 错误等
Her rudeness was most/highly regrettable. 她粗俗无礼, 令人遗憾.
What about heart? Heart is what makes you love other people. You can love your friend, even though you don't agree with everything she or he says. So when you listen to someone, you should listen with complete attention, and with complete respect for