| 单词 | tighten |
| 释义 | tighten (once / 565 pages) v WORD FAMILY tighten: tightened, tightening, tightens+/tight: tighten, tighter, tightest, tightly, tightness/tightening: tightenings USAGE EXAMPLESA strengthening dollar, in contrast, causes a general tightening of credit in emerging markets. Economist(Dec 01, 2016) The UN security council has voted to further tighten sanctions on North Korea in response to their fifth and largest nuclear test yet. The Guardian(Nov 30, 2016) The resolution tightens restrictions on transportation to and from North Korea and bans sales of new nautical vessels and helicopters. Wall Street Journal(Nov 30, 2016) 1v make tight or tighter Tighten the wire Syn|Hypo|Hyper fasten frap take up the slack of firm, tautenmake taut or tauter screwtighten or fasten by means of screwing motions wind, wind upcoil the spring of (some mechanical device) by turning a stem alter, change, modify cause to change; make different; cause a transformation 2v become tight or tighter The rope tightened Hypo|Hyper constrict, constringe, narrow become tight or as if tight firm, tautenbecome taut or tauter compact, compress, constrict, contract, press, squeezesqueeze or press together strain, tensebecome stretched or tense or taut choke, strangleconstrict (someone's) throat and keep from breathing primcontract one's lips astringebecome constricted or compressed strangulatebecome constricted astringeconstrict or bind or draw together strangulateconstrict a hollow organ or vessel so as to stop the flow of blood or air convulsecontract involuntarily, as in a spasm convulsecause to contract bear down, overbearcontract the abdominal muscles during childbirth to ease delivery choke, fret, gagbe too tight; rub or press choke, scragwring the neck of change undergo a change; become different in essence; losing one's or its original nature 3v restrict Tighten the rules Syn|Hyper constrain, stiffen, tighten up bound, confine, limit, restrain, restrict, throttle, trammel place limits on (extent or access) 4v narrow or limit Syn|Hyper reduce bound, confine, limit, restrain, restrict, throttle, trammel place limits on (extent or access) |
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