音标：['taitn] ；柯林斯词典等级：2 级；

vt. 勒紧, 使变紧
vi. 变紧, 绷紧

v. make tight or tighter
v. become tight or tighter

词型变化：过去式 : tightened ; 过去分词 : tightened ; 现在分词 : tightening ; 第三人称单数 : tightens ; 名词复数形式 : tightens
考试类型：[六级/IELTS]

词性分布：

动词100%

tighten的用法和样例：

例句

用作及物动词(vt.)

He tightened his grip on her arm.他紧抓她的手臂。
The plumber take out a wrench and tighten the bolt.修水管的工人拿出一把扳手拧紧了螺栓。
This month we have to tighten our belts.这个月我不得不勒紧裤腰带过日子。
While holding down on the cone, tighten the subbase screws.用手压住漏斗，拧紧座垫固定螺丝。
If table index shafts are loose, tighten mounting bolts.如果台面索引轴松动，拧紧固定螺栓。

用作不及物动词(vi.)

This screw needs tightening.这螺丝钉需要再拧紧些。
Controls in the city have gradually tightened.对这个城市的控制逐渐加强。

词汇搭配

tighten up绷紧
tighten one's belt束紧腰带
tighten your belt勒紧腰带(忍饥受寒...
tighten the economy紧缩经济
under tighten紧密不足
belt tighten实行紧缩政策(勒紧裤...
belt-tightening强制性节约
tighten the screws拧紧螺丝(加强控制)...
tighten the noose round the neck of someone拉紧某人脖子上的绞索...
tighten the noose around the neck of someone拉紧某人脖子上的绞索...
tighten the purse strings节省开支

经典引文

The strings are tightened..to produce a musical note when struck.
出自：S. Mateer
The illness tightened its grip.
出自：C. Easton

【近义词】

stiffen使 ... 坚硬
tauten拉紧
squeeze挤压
constrict压缩
tense紧张的
tighten up绷紧
screw螺钉
fasten拴紧
press按
anchor锚
secure安全的
contract合同
crush压碎
compress压缩
choke窒息
fix使 ... 固定
brace防备
telescope望远镜
screw in拧入式的(拧进去的)...
screw down拧紧(钉住
make fast 拴紧(把 ... 关紧...
lace up用带子系紧
tie up扎绑
firm up巩固
close up靠近
lock up上锁
lock锁
up向上
firm公司
close关
fast快的
tie束缚
make做
lace鞋带
together共同
down向下
force武力
in在 ... 里
reduce减少
constrain强迫

【反义词】

loosen松开

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