1) Jeff is still tied to his mother's apron strings .

2) Looped through the apron string is a large white linen handkerchief edged with lace that matches the lace of the cuffs and ruff.

3) Even at 25 Janice was tied to her parent's apron strings.

4) You're 25 years old, and you still haven't cut the apron strings .

5) George never comes out with the rest of us - he's tied to Martha's/his wife's apron strings.

6) The British prime minister is too apt to cling to Washington's apron strings.

7) The second part, the author introduce the common risk, conception of the common risk, the estimate model of risk, the means of apron string .