1 to elaborate (on a theme)

2 to expound (the classics)

3 perfunctory

4 to skimp

5 to botch

6 to do sth half-heartedly or just for show

7 barely enough to get by

1 income does not cover expenditure

2 unable to make ends meet

1 to apply a cold compress

1 to smear

2 to daub

3 to plaster

4 to apply (ointment)

1 to apply externally