| 释义 |
tighten美 ['taɪt(ə)n] 英 ['taɪt(ə)n] - v.加强；（使）变紧；使更加严格
- 网络绷紧；拉紧；拧紧
过去分词：tightened 现在分词：tightening 第三人称单数：tightens v.+n. tighten belt,tighten control,tighten security,tighten regulation,tighten law v. tauten,constrict,stiffen,squeeze,tighten up 1. | [i][t] （使）变紧，更加牢固to become or make sth become tight or tighter |
| 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。 | | 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。 |
2. | [t] ~ sth 使更加严格；加强to make sth become stricter |
| to tighten security 加强安全措施 |
v. | 1. to become tight or tighter, or cause something to become tight or tighter 2. to turn something such as a screw or a cover until it is tight and you cannot turn it any more 3. to pull something such as a rope or a belt until it is straighter or until it fits more tightly around something 4. if a muscle or a part of your body tightens, or if you tighten it, it becomes hard and stiff, often because you are angry or afraid 5. if your hand tightens, or if your fingers tighten, you hold something more tightly 6. to make a set of rules stricter or harder to avoid 1. to become tight or tighter, or cause something to become tight or tighter 2. to turn something such as a screw or a cover until it is tight and you cannot turn it any more 3. to pull something such as a rope or a belt until it is straighter or until it fits more tightly around something 4. if a muscle or a part of your body tightens, or if you tighten it, it becomes hard and stiff, often because you are angry or afraid 5. if your hand tightens, or if your fingers tighten, you hold something more tightly 6. to make a set of rules stricter or harder to avoid |
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