act upon the opportunity

speak to the purpose

short-sighted

felsenfest (od. unerschütterlich) stehen

punish one as a warning to others

disconsolate

be slavishly dependent(act on the orders of; depend on somebody's whims and pleasures; live at somebody's mercy.)

Invite to one's side men of wisdom and Valor

insidious,sinister and vicious

Farsighted and prudent

see 优胜劣汰

In the dead of night

Concern the country and love its people

tottery

one's voice and expression

intentionally or otherwise

completely

stick to the old practice(follow the old routine)

not elaborate

Hit the nail on the head