有始有终 have a beginning and an end; carry sth. through to the end; finish what was started; once started, carry to the finish -- steadfast to the end.; prosecute to the end; from beginning to end; well begun, well ended
有始无终 having a beginning but no end; begin well but end badly; begin well but fall off towards the close; do sth. but halves; start sth. but fail to carry it through
有始鲜终 have a beginning but seldom carry on to the end