是為速度著想

是 shiˋ

Is, To be, Am/Are/Is/Was/Were, Being, Yes

為 weiˊ weiˋ

For, To, As, And so, Cause, Because, For this reason, For The Sake Of, (Wei4), Act, Do, Serve, Create, Manage, Handle

速度 suˋ duˋ

(Speed) Speed

著想 zhuoˊ xiangˇ

(For the sake) For the sake of