这次不成功的尝试使他气馁。
人们尝试过几百种治疗普通感冒的方法，但大多不成功。
People have tried hundreds of ways to cure the common cold, mostly without success.
尝试不成功就放弃，并没什么大不了的。
There is nothing wrong is trying the water and pushing back.
尝试不成功就放弃，并没什么大不了的。
There is nothing wrong is trying the water and pushing back.
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