| 词源 |
morning glory. Because the morning glory only opens its flowers in the morning, it has been used as a synonym for a person who begins something brilliantly but does not fulfill his or her promise. The expression dates back almost a century in American sports. This honeysuckle (Ipomoea purpurea) takes its genus name from the Greek for “worm” and “similar,” in al- lusion to its twining habit. |