The military is rapidly ramping up its relief effort in states devastated by Hurricane Katrina. The military's commander of joint task force Katrina says the number of National Guard troops in the region will be increased to about 30,000 over the next few days. - NPR News
ramp2
ramp something up phrasal verb
1 to try to persuade people that a company's shares are worth more than
they really are:
To ramp up a share price during a takeover bid is unacceptable.
2 if a company ramps up an activity, it increases it:
Producers can quickly ramp up production. - 扩大生产。
-Longman
加大努力还可以说: step up efforts to do something
step something up phrasal verb
to increase the amount of an activity or the speed of a process in order
to improve a situation:
The health department is stepping up efforts to reduce
teenage smoking.
stepped-up security （加强保安工作）at airports
也可以说,"redouble one's efforts to do something"
redouble your efforts to greatly increase your effort
as you try to do something:
Both sides redoubled their efforts to end the war.