1 tree trunk

2 main part of sth

3 to manage

4 to work

5 to do

6 capable

7 cadre

8 to kill (slang)

9 to fuck (vulgar)

1 what are you doing?

2 what's he up to?

1 what are you doing?

2 whatever for?

3 why on earth?

1 barbarian

2 bullying

3 very

4 quite

5 rough

6 reckless

1 barbarous

2 uncivilized

1 to bury oneself in work (idiom); to be engrossed in work

2 to make an all-out effort

3 up to the neck in work

1 intelligent and capable (idiom)

1 to pester endlessly (idiom)

2 an annoying troublemaker

1 constant bickering and fighting (idiom); constantly at each other's throats

2 struggle for personal gain