“灰心的”的英语可以翻译为：okenhearted，dejected，discouraged ...

总被人嘲笑是很让人灰心的.It is very discouraging to be sneered at all the time.他们不得不与高涨的物价作长期而灰心的斗争.They have had to wage a continual despairing fight against the rise of prices.使整个队感到灰心的失败.A failure that dispirited the team....