to keep trying until you succeed
继续尝试，直到成功
"He didn’t give up and decided to try and try again."
"他没有放弃，决定继续 继续尝试，直到成功。"
to use a political issue to one’s advantage
to cause pollution or environmental impact through daily act...
to protect your computer system or network from attacks
to become very tired and lose motivation due to overwork
to pursue what you truly want in life
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