pain的副詞形式是什么

　　His head throbbed painfully.

　　他的頭一抽一跳地痛。

　　The dog was painfully thin.

　　那條狗瘦得可憐。

　　Progress has been painfully slow.

　　進度慢得令人焦急。

　　As a teenager I was painfully shy.

　　我十幾歲的時候靦腆得很。

　　Things are moving painfully slowly.

　　事情進展得極其緩慢。