1. The theory of three beauties put forward by Lu Xun refers to the beauty of meaning, sound and form, that is, the beauty of artistic conception, sound and form.
2. Lu Xun emphasized that translation should achieve the beauty of meaning to feel the heart, the beauty of sound to feel the ears, and the beauty of form to feel the eyes. Of the three beauties, beauty in meaning is the first, beauty in sound is the second, and beauty in form is the third.
3. In the teaching of translating poems into English and daily translation, the translator should try his best to achieve one, two or three of the beauty of meaning, sound and form, so as to make the translation neat, concise, integrated in form and spirit, pleasing to the eye, thus touching the readers' hearts and leaving an unforgettable impression.