一事无成: without a single success; achieve [accomplish] nothing; all to no purpose; be [get] nowhere; find oneself a complete failure in life; nothing accomplished; never accomplish anything; witho
一个人要是不努力他就将一事无成: nobody can achieve anything of real significance unless he works very hard
一心: 1.(专心) wholeheartedly; heart and soul 短语和例子一心想[要] set one's mind on; be obsessed with the idea of; be bent on; 一心为革命 wholehearted devotion to the revolution; complete dedication to the rev
上下一心: both the higher and lower levels are united as one.; the leadership and the rank and file are of one mind