Translation of "Discouraged" in Chinese

Mary told me she wasn't discouraged.

玛丽告诉我她不气馁。

He won't be easily discouraged, because he's a tough guy.

他很坚强，不会那么容易灰心。

Consider the successes that have been achieved by tired, discouraged people who decided to give it one more try.

想想那些疲倦沮喪的人們決定再試一次所獲得的成功。