| [/ˈtaɪtn; ˋtaɪtn/] v 用法:
1 [I, Ipr, Ip, Tn, Tn.pr, Tn.p] ~ (sth) (up) (a) (cause sth to) become tight or tighter （使某物）变紧:
This screw needs tightening. 这螺钉需再拧紧些. *
tighten (up) the ropes 拉紧绳子 *
He tightened his grip on her arm. 他紧抓住她的手臂.
(b) (cause sth to) become stricter （使某事）变得更严格:
Controls have gradually tightened. 控制逐渐加强. *
tighten up security 使安全措施更严密. 用法:
2 (idm 习语) loosen/tighten the purse-strings => purse. tighten one's `belt eat less food, spend less money, etc because there is littleavailable 勒紧腰带（省吃俭用）:
The management warnedof the need for further belt-tightening, ie economy. 资方提醒有必要进一步节约. 用法:
3 (phr v) tighten up (on sth) become more careful, vigilant or strict 变得更小心、 警惕或严格:
The police are tightening up on drunken driving. 警方目前采取严厉手段对付醉酒驾车行为. tighten 2
[/ˈtaɪtn; ˋtaɪtn/] v 用法:
1 [I, Ipr, Ip, Tn, Tn.pr, Tn.p] ~ (sth) (up) (a) (cause sth to) become tight or tighter （使某物）变紧:
This screw needs tightening. 这螺钉需再拧紧些. *
tighten (up) the ropes 拉紧绳子 *
He tightened his grip on her arm. 他紧抓住她的手臂.
(b) (cause sth to) become stricter （使某事）变得更严格:
Controls have gradually tightened. 控制逐渐加强. *
tighten up security 使安全措施更严密. 用法:
2 (idm 习语) loosen/tighten the purse-strings => purse. tighten one's `belt eat less food, spend less money, etc because there is littleavailable 勒紧腰带（省吃俭用）:
The management warnedof the need for further belt-tightening, ie economy. 资方提醒有必要进一步节约. 用法:
3 (phr v) tighten up (on sth) become more careful, vigilant or strict 变得更小心、 警惕或严格:
The police are tightening up on drunken driving. 警方目前采取严厉手段对付醉酒驾车行为. |