“日语”造句

所有雇员相互称呼时都须在名字后添加敬语san(日语表示“先生”,“女士”)。
All employees will refer to each other by the honorific suffix "san".

他对日语很熟悉.
He is quite at home with the Japanese language.

日语说得不太好,但尚能表达清楚自己的意思.
He doesn't speak much Japanese but he can make himself understood.