抓住

（反）放开 跑掉

捕获2

擒获　拿获　缉获　捉获　拏获搏获　系获　捉破　抓住　抓到　执获　被执
抓住与释放：擒纵
罪犯被捕：落网　归案(逮捕～)
　逮捕归案：逮案
捉住正在通奸的人：捉奸(～捉双)
中途夺取到或捉到：截获　遮获
绊翻抓住：捉翻
活活捉住：活捉　生擒　生拿　生得　生获
　活捉敌人：擒生
侦缉捕获：缉获
盘查擒获：盘获
讨伐擒获：讨擒
　全部捕获：一网打尽
势穷而被捕：窘执
(逮住：捕获)

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抓住2

掌握　把握
吟诗作文能抓住关键：探丽(～得珠)　探珠
做事从大处着眼，抓住关键：大处落墨　大处落笔　大处着笔
抓窍门：挝乖
抓住了根本，其他东西就迎刃而解：本立道生
抓住对方的短处：揪辫子　抓辫子　抓把柄
抓住把柄：指执
把握准确：吃准
紧紧地把握住，不放松：抓紧　着紧
　抓紧干活：赶工
(抓紧；抓取：抓住)

另见：把握　掌握　机会　关键

抓住

catch(or seize)hold of;grip
我们将～这个问题不放。We’ll insist on tackling this issue./不要～次要问题，放过主要目标don’t miss the main objective while laying hold of lesser issues (or problems of secondary importance)/～不放tackle a problem on hand firmly and persistently;keep a firm grip on/～机遇seize opportunities/～某人的把柄get hold of sth with which to discredit sb/～事物的本质grasp the essence/～问题的中心grasp the central issue; deal with the crux of the matter/～一点小事大做文章make a mountain out of a mole-hill; seize on a trifle and make all issue of it;(make a)fuss over trifles;kick up an uproar (or shindy)about/～有利时机seize the opportune moment /～重点grasp the essential point/～主要矛盾single out and tackle the principal contradiction/～主要环节grasp the main links