1 number of people

1 to count backwards (from 10 down to 0)

2 to count down

3 from the bottom (lines on a page)

4 from the back (rows of seats)

1 (exam) grade

2 mark

3 score

4 fraction

1 majority

2 most

1 (great) majority

1 one scare after another (idiom)

2 in a constant state of tension

1 lit. their number cannot be counted (idiom); fig. countless

2 innumerable

1 lit. to mend the pen after sheep are lost (idiom)

2 fig. to act belatedly

3 better late than never

4 to lock the stable door after the horse has bolted

1 Destiny is inexorable, there is no fleeing it (idiom). Your doom is at hand.

1 lit. use others' strengths to make up for one's weak points (idiom from Mencius)

2 to use this in place of that

3 what you lose on the swings, you win on the roundabouts