1 is

2 are

3 am

4 yes

5 to be

1 to have

2 there is

3 there are

4 to exist

5 to be

1 haven't

2 hasn't

3 doesn't exist

4 to not have

5 to not be

1 to know

2 to become aware of

3 also pr. [zhī dao]

1 but

2 however

1 lit. when a man achieves the Dao, his poultry and dogs rise to Heaven (idiom)

2 fig. to ride on sb else's success

3 Once one man gets a government position, all his cronies get in too

4 Once sb has cracked the problem, every Tom, Dick and Harry can do it

1 lit. one is one, two is two (idiom)

2 fig. things are (or ought to be) perfectly clear-cut

3 unequivocal

1 not having anything at all (idiom); utterly lacking

2 without two sticks to rub together

1 one word says it all (idiom)

2 to hit the nail on the head

3 to be pithy and correct

1 devoid of fear (idiom)

2 intrepid