Languages Speak by Yang Shi Ze Fluently
Yang Shi Ze was born and grew up in Mainland China, So, he is very fluent in his native language "Mandarin" (which is the official and native language of China). Along with Mandarin, he also speaks and understands a foreign language English (Which is mostly spoken in Australia, New Zealand, America, and Western countries) but he is not very fluent in his native language Mandarin.
Maybe Yang Shi Ze can also speak and understand other languages like Thai, Japanese, Korean, etc but right now we have insufficient information about his fluency in these languages or how much he is fluent in these languages.