Senses
百尺竿头，更进一步/ 百尺竿頭，更進一步 to keep striving after success
to keep working hard and make even more progress after achieving a high level of success; literally "after climbing a hundred feet up a pole, one should take one more step forward"
百尺竿头，更进一步/ 百尺竿頭，更進一步 to make even further progress
to make still further progress even after one has already reached a high level of achievement; literally to take another step forward from the top of a hundred-foot pole