你為什麼要這麼做

你為什麼 niˇ weiˋ shenˊ me˙

(Why are you) Why are you

你為什麼要 niˇ weiˋ shenˊ me˙ yaoˋ

(Why would) Why would you want, Why would you want to

為什麼 weiˋ shenˊ me˙

(Why) Why

為什麼要 weiˋ shenˊ me˙ yaoˋ

(Why should, Why would) Why would, Why should

什麼 shenˊ me˙

(What) What, What?

這麼 zheˋ me˙

(This) This

這麼做 zheˋ me˙ zuoˋ

(Did this, Do this, Does this, Doing this, To do) To do this, Do this, Does this, Doing this, Did this