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What are you up to?

She is an administrator.

He is in films/computers/sales.

seek no personal privileges

brew/hatch a plot/scheme

play petty games/tricks

strive for modernization

practise egalitarianism/socialism

have illicit love affairs; commit adultery

engage in scientific research

engage in capital construction

carry on reforms

run sideline businesses

work on one's inventions

incite disturbance; stir up unrest

launch/make an investigation

Relying on its own efforts, China succeeded in producing atom and hydrogen bombs as well as a satellite.

compile a book/dictionary

make a plan; work out a plan

It's not easy to run a factory nowadays.

establish a company

start a training course

He asked his wife to prepare/get a meal for the guests.

manage to get two tickets for the concert

I can't work him out, one day he is friendly the next day he ignores me completely.

The twins confused me by wearing the same kind of clothes.

make a mess of things

get a clear picture of things/the situation

make a stupid bungle of sth

make sb's name stink; make sb's name reek to high heaven; discredit sb; carry out character assassination against sb

bring down/topple a government

They are plotting against me.