ac99·net （ 关于

guān yú pertaining to; concerning; with regard to; about; a matter of

guān yú pertaining to; concerning; regarding; with regards to; about; a matter of; also written 關於|关于

乐天

lè tiān carefree; happy-go-lucky; optimistic

堂

táng (main) hall; large room for a specific purpose; CL:間|间[jian1]; relationship between cousins etc on the paternal side of a family; of the same clan; classifier for classes, lectures etc; classifier for sets of furniture

的

de of; ~'s (possessive particle); (used after an attribute); (used to form a nominal expression); (used at the end of a declarative sentence for emphasis)

dí really and truly

dì aim; clear

dī see 的士[di1 shi4]

简介

jiǎn jiè summary; brief introduction

） 乐天

lè tiān carefree; happy-go-lucky; optimistic

堂

táng (main) hall; large room for a specific purpose; CL:間|间[jian1]; relationship between cousins etc on the paternal side of a family; of the same clan; classifier for classes, lectures etc; classifier for sets of furniture