14a: seedlings used as a relish in salads (7,3,5): ???t?r? a?d ?r?s?
18a: Boiled pigs feet delicacy(8): ?????e?s
15d: Without any cover, disturbed round foe? (8): ????o?e?
19d: Extremely bold or insolent (6): ??a?e?
The 1st lettter of 19d is the 4th letter of 18a.
The 1st letter of 15d is the 2nd letter of 14a.
The 3rd letter of 15d is the 2nd letter of 18a.