| 释义 |
verb | noun tumbletumble1 /ˈtʌmbəl/ ●●○ verb [intransitive] ETYMOLOGYtumble1Origin: 1200-1300 tumb to dance, perform as a tumbler (11-14 centuries), from Old English tumbian VERB TABLEtumble |
| Present | I, you, we, they | tumble | | he, she, it | tumbles | | Past | I, you, he, she, it, we, they | tumbled | | Present perfect | I, you, we, they | have tumbled | | he, she, it | has tumbled | | Past perfect | I, you, he, she, it, we, they | had tumbled | | Future | I, you, he, she, it, we, they | will tumble | | Future perfect | I, you, he, she, it, we, they | will have tumbled |
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| Present | I | am tumbling | | he, she, it | is tumbling | | you, we, they | are tumbling | | Past | I, he, she, it | was tumbling | | you, we, they | were tumbling | | Present perfect | I, you, we, they | have been tumbling | | he, she, it | has been tumbling | | Past perfect | I, you, he, she, it, we, they | had been tumbling | | Future | I, you, he, she, it, we, they | will be tumbling | | Future perfect | I, you, he, she, it, we, they | will have been tumbling |
THESAURUSmove downward► fall to go down from a higher position to a lower position: Outside, the rain was falling steadily. The little boat rose and fell with the movement of the waves. ► drop to fall suddenly onto the ground or into something: The fruit was so ripe it began dropping from the trees. ► plummet to fall very quickly from a very high place: The plane plummeted toward the Earth. ► plunge to fall a long way down, especially into water: The divers threw themselves off the cliffs and plunged into the water below. ► tumble to fall with a rolling movement: Boulders tumbled down the side of the mountain. ► topple to fall. Used especially about things that are tall: Trees had toppled over in the storm. ► collapse if a structure or building collapses, it breaks and falls to the ground: The roof collapsed under the weight of the wet snow. 1[always + adv./prep.] to fall down quickly and suddenly, especially with a rolling movement: tumble over/backward/down etc. She lost her balance and tumbled backward. Huge rocks tumbled down the mountainside.► see thesaurus at fall12[always + adv./prep.] to move in an uncontrolled way: tumble into/through etc. A group of tourists tumbled off the bus.3if prices or numbers tumble, they go down suddenly and by a large amount: On October 19, 1987, the stock market tumbled 508 points.4come tumbling down a)if a building or structure comes tumbling down, it falls suddenly to the ground b)if an organization, system, etc. comes tumbling down, it suddenly stops working completely because of many problems: Soon her marriage came tumbling down.5[always + adv./prep.] if someone’s hair tumbles down, it hangs down, long and thick and often with curls: Her thick blonde hair tumbled down her back.6[always + adv./prep.] if an amount of water tumbles somewhere, it flows there quickly: A stream tumbled over the rocks.7to do tumbling8something tumbles out if words tumble out, you say something very quickly without thinking about it first, because you are excited, upset, or surprised: Suddenly all the words came tumbling out, and she began to cry. verb | noun tumbletumble2 noun [countable] ► took a tumble I took a tumble and hurt my ankle. a fall, especially from a high place: I took a tumble and hurt my ankle. → see also rough-and-tumble |