Waiting to do sth until you can be sure of doing it exactly right means waiting for ever~翻译

why not to do sth对吗?waiting Waiting to do sth until you can be sure of doing it exactly right means waiting for ever~翻译 do sth to do have sth to do need sth to do plan to do sth come to do sth hope to do sth only to do sth dream to do sth bother to do sth have to do sth want to do Sth try to do sth decide to do sth eager to do sth except to do sth Want to do sth?