Do one thing at a time, and do well. 一次只做一件事，做到最好！

Do one thing at a time, and do well. 一次只做一件事，做到最好！！（）

at a time  每次,一次
I can only carry two at a time .我一次只能攜帶兩個

do well 做的好
I can do better than that anytime . 我一定會做得比這還好