Do not let yourselves be discouraged or embittered by the smallness of the success you are likely to achieve in trying to make life better.

不要因为自己在努力改善生活的过程中而可能取得的微乎其微的成功而气馁，也不要为此伤心痛苦。

youdao

In his later years, he became embittered by it, or more likely because of his increasing suspicion that he was not Mozart.

晚年时，他变得因为意志而受苦，或者更有可能是因为他越来越怀疑他不是莫扎特。

youdao

Skeptical, or simply embittered over the reserve accounting scandal, investors price Shell at only 9 times trailing earnings, versus 11 and 12 for its two larger rivals.

FORBES: Magazine Article