Why does Lao Zhang speak poor English in Tognan?

Monkey did spend more time with Koreans when he was in the United States, and his autobiography also wrote that he was a Korean-speaking school. But it can't be said that his English is not good. First of all, his grades have been the first in the whole grade twice in a row. How can he take the exam if his English is not good? Moreover, he has been in the United States for nearly 8 years ~ it is good to be poor at English. Besides photography, his favorite subject and occupation is English. I was admitted to the English Department of Korean Central University, although I finally chose dongguk university. . . And the monkey's IQ should be beyond doubt ~ so his English should be good. . . Look at the English rap written in his lyrics, or his fluent English at the awards ceremony and Beijing concert ~

As for why the monkey's English is not good, first of all, the monkey will definitely only speak Korean when he returns to Korea, and the monkey's English pronunciation is really confusing. When he speaks English in Korea, his pronunciation in Korean sometimes gets worse. . . Then there are the embarrassing "morning book" and "shit dirty" when I write a dog diary. . . However, it does not rule out that it is for the effect of the program. Finally. . . Your English is shocking, and Monkey's English is good. . . It's normal for couples to be a little jealous ~ haha ~ joke ~