When you're done, try to breathe in and out. Try to keep your breath. Blow more and more. If you want to blow, it's difficult. I hope beginners don't pursue this pronunciation. Leave a small opening in the middle. This is the basic form. This form may take a week or two or even three weeks. I advise you not to rush. Because this is the most persistent step. This will affect your performance in the future. If you can't do it well, you can go far. If you can't do it well, you can go far. I'm definitely not sending you to heaven.
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