tightens; tightened; tightening
tightens; tightened; tightening
Learner's definition of TIGHTEN
: to make (something) tight or tighter or to become tight or tighter使變緊;使繃緊;變得(更)緊 [+ object]
[no object]
tighten the noose
— see noose
tighten the screws
— see 1screw
tighten up
[phrasal verb] tighten up or tighten (something) up or tighten up (something)
: to become more strict or effective or to make (something) more strict or effective(使)變得更嚴格,變得更有效 -
Security around the building has tightened up recently.最近,大樓周圍的安全措施加強了。
-
They tightened up security around the building.他們加強了大樓周圍的安全措施。
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We installed new machines to tighten up the assembly line.我們安裝了新機器以提高裝配線的工效。
tighten your belt
— see 1belt