Answer No.1
Most of us fail in efforts of self-improvement because the plans made are excessively hard to bring into practice.

Answer No.2
The mistake in announcing the resolution to everybody is that one appears to be unwise to others in case of failure to stick to the resolution.

Answer No.3
The writer didn’t carry out his resolution on the New Year’s Day because he attended an overnight party and could not save time.

Answer No.4
Intimidating – Resisting
Peril – Pitfall
Dwindle – Waned
Repel – Fended off
Barb – Jibe