1 time available

1 hollow

2 emptiness

3 meaningless

1 emptiness

2 void

3 abstract theory or guiding principles

4 empty or unoccupied

5 diffident or timid

6 false

7 humble or modest

8 (of health) weak

9 virtual

10 in vain

1 false

2 phony

3 pretense

1 false

2 hypocritical

3 artificial

4 sham

1 lit. An interval of time is worth an ounce of gold. (idiom)

2 fig. free time is to be treasured

1 lit. An interval of time is worth an ounce of gold, money cannot buy you time. (idiom)

2 fig. Time is precious and must be treasured.

1 to enter by exploiting a weak spot (idiom); to take advantage of a lapse

1 to let correct ideology guide practical work (idiom)

1 to feel guilty as a thief (idiom); to have sth on one's conscience