| 单词 | tighten |
| 释义 | tight·enBrE /ˈtaɪtn/ NAmE /ˈtaɪtn/ verb present simple - I / you / we / they tightenBrE /ˈtaɪtn/ NAmE /ˈtaɪtn/ present simple - he / she / it tightensBrE /ˈtaɪtnz/ NAmE /ˈtaɪtnz/ past simple tightenedBrE /ˈtaɪtnd/ NAmE /ˈtaɪtnd/ past participle tightenedBrE /ˈtaɪtnd/ NAmE /ˈtaɪtnd/ -ing form tighteningBrE /ˈtaɪtnɪŋ/ NAmE /ˈtaɪtnɪŋ/ [I , T ]to become or make sth become tight or tighter （使）变紧，更加牢固◆ ~ (up )The rope holding the boat suddenly tightened and broke . 系船的绳子突然绷断了。◆ His mouth tightened into a thin line . 他的嘴抿成了一道细缝。◆ ~sth (up )to tighten a lid /screw /rope /knot 拧紧盖子/螺钉；绷紧绳子；打紧结◆ The nuts weren't properly tightened and the wheel came off . 螺母没拧紧，轮子脱落了。◆ She tightened her grip on his arm . 她抓他的手臂抓得更紧了。[T ]~sth to make sth become stricter 使更加严格；加强◆ to tighten security 加强安全措施OPP loosen ● tighten your ˈbelt to spend less money because there is less available 勒紧腰带（省吃俭用）savebudget ⬥ economize ⬥ tighten your beltThese words all mean to spend less money.以上各词均含存钱、节俭之义。save to keep money instead of spending it, often in order to buy a particular thing常指为了买某物而攒钱、储蓄：◆I'm saving for a new car.我正攒钱想买辆新车。budget to be careful about the amount of money you spend; to plan to spend an amount of money for a particular purpose指谨慎花钱、把…编入预算：◆If we budget carefully we'll be able to afford the trip.我们精打细算一点，就能够负担这次旅行。economize to use less money, time, etc. than you normally use指节省、节约、节俭tighten your belt(ratherinformal ) to spend less money because there is less available指勒紧腰带省吃俭用：◆With the price increases, we are all having to tighten our belts.由于物价上涨，我们都只好勒紧裤腰带了。Patternsto save up/budget for sthto have to save/budget/economize/tighten our beltsto try to/manage to save/budget/economize ● ˌtighten ˈup (on sth )to become stricter or more careful 变得更加严格（或小心）◆ Laws on gambling have tightened up recently . 有关赌博的法律最近变得更加严厉。◆ The police are tightening up on under -age drinking . 警方正在采取更加严厉的措施对付未成年人饮酒的问题。 |
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