hold: is widely applicable and may imply mere possession or control, or possession or control firmly maintained: tried to keep a ~ on his temper.              习语keep a hold on控制             possess拥有占用，这里比喻为"抓住"


grip: regularly suggests a firm or tenacious hold: had a firm ~ on the reins of power.


grasp: differs from grip chiefly in suggesting a power to reach out and get possession or control of something: success was almost within his ~.


clutch: implies a seizing and holding with or as if with the avidity or rapacity of a bird of prey: stayed out of the executioner's ~es.             强调紧紧抓住to hold something tightly，如he clutched the child to him他紧紧地抱住小孩，如she stood there, the flowers still clutched in her hand她站在那里，手里仍然紧握着花束，如I clutched on to the chair for support我紧紧抓住椅子撑着身体         例句中clutch表示势力或控制力           bird of prey猛禽；捕食其他动物的鸟，如鹰、隼和猫头鹰


hold抓住: 可泛指占有控制，或牢牢占有控制，grip牢牢抓住: 表示牢牢紧抓不放，grasp伸手抓住: 表示伸手抓住，clutch紧抓: (像猛禽一样)急切贪婪地紧抓


记忆方法: 1) 首字母HGGC联想成果干货<==要抓住
              
              2) 抓住的意思是占有控制mean the power of getting or keeping in possession or control.首字母HGGC联想成果干货<==要抓住