to walk; to go; to run; to move (of vehicle); to visit; to leave; to go away; to die (euph.); from; through; away (in compound verbs, such as 撤走); to change (shape, form, meaning)[cedict]
是
shìㄕˋ
is; are; am; yes; to be[cedict]
演習
yǎn xíㄧㄢˇ ㄒㄧˊ
exercise; practice; to put on a play; to act[cedict]
立刻
lì kèㄌㄧˋ ㄎㄜˋ
forthwith; immediate; prompt; promptly; straightway; thereupon; at once[cedict]