How to politely subsidize the fare with relatives?

The most direct way, of course, is to come straight to the point, but it's normal for you to feel embarrassed to speak.

But there is no need to ask for money directly. Didn't you get a train ticket? Just send the help link of online ticket grabbing to your second uncle, saying that relatives can help you grab it.

Under normal circumstances, as long as I care about my relatives, I will be worried (anyway, every time I grab the ticket link, my relatives will help me grab the ticket and send a message to care if I can grab it). If your uncle asks, you will frankly say that you can't get the train ticket, the fare is too expensive, and you are trying to find a way.

From your information, I know that your second uncle cares about you, so if there is no accident, just make sure that you really can't get the train ticket, and he will take the initiative to support you!

Of course, your second uncle's willingness to help you is an obligation, not a responsibility. If someone is in trouble and can't help you, you have no mood.

Finally, in fact, there are many opportunities for universities to make money, so it should not be too difficult to find a part-time job to earn living expenses.

Borrow some money from friends and relatives when you are in trouble, as long as you pay it back in time.

Be grateful to those who have helped you, and grasp the efforts to make yourself better.