1 sky

1 empty

2 air

3 sky

4 in vain

1 air

2 atmosphere

1 space

2 room

3 (fig.) scope

4 leeway

5 (astronomy) outer space

6 (physics, math.) space

1 to wear

2 to put on

3 to dress

4 to bore through

5 to pierce

6 to perforate

7 to penetrate

8 to pass through

9 to thread

1 to see through something at first glance (idiom)

1 a worthless piece of paper (idiom)

1 the people are gone and the place is empty (idiom)

2 the sight of a deserted place brings old friends to mind

3 the place is deserted

4 the birds have flown

1 lit. the barefooted people are not afraid of those who wear shoes (idiom)

2 fig. the poor, who have nothing to lose, do not fear those in power

1 empty-handed (idiom); fig. not receiving anything