Give up all previous work-merit: credit; Do: completely; Abandon: lose. All the previous points are gone. It also means that all previous efforts have been in vain.
Change the old way-completely change the old way you are used to. We must resolutely embark on a new path.
On and off.
Anticlimactic-the head is as big as a tiger and the tail is as thin as a snake. At first, the metaphor was very powerful, but later it was very weak and endless.
Have a taste-do: just. I tried it a little and stopped. It means not to delve into it.
One exposure and ten cold exposures: sunshine exposure. The original intention is that although it is the easiest plant to grow, it can't grow even if it is frozen for ten days in the sun. Metaphor study or work hard, lazy, no perseverance.
A beginning without an end-a beginning without an end. Refers to not doing things to the end.
Half-hearted-think like this, hesitate. Often refers to insecurity and unfairness.
Chop and change-originally refers to playing tricks to deceive people. Later, the metaphor often changed his mind and was capricious.
Beat a retreat-originally refers to the feudal officials playing drums when they retired from court. Now the metaphor is to shrink back in the middle of doing things with people.
Change orders-Orders placed in the morning are changed in the evening. Metaphor often changes ideas and methods, and it is the same for a while.
Change-change: change. See another thing and want to change your mind. Refers to the will is not firm, love is not single-minded.
23 its virtue-23: not single-minded. Describe half-hearted.
Three days to fish, two days to dry the net-metaphor study work lack of perseverance, often interrupted, lack of long-term persistence.