If you want to improve your English, recommend Ying Ying Dictionary, because English majors require Ying Ying Dictionary. Of course, it will be difficult to use at first, but it will be very rewarding to stick to it, which is much more effective than using English-Chinese or English-Chinese solutions.

English-Chinese-English

Modern English-Chinese Dictionary-Yanbian Publishing House (suitable for the poor or ordinary learners)

English-Chinese dual interpretation

Oxford Advanced English-Chinese Learning Dictionary-Commercial Press; Oxford University Press (the most famous bilingual dictionary)

English dictionary

Longman Advanced English Dictionary (English Edition)-Foreign Language Teaching and Research Press (designated books for English majors in many universities)