に[先立「さきだ」]って/に[先立「さきだ」]ち/に[先立「さきだ」]つ => Before A occurs/takes place N2
Time, Situation
のが下手 => to be bad at doing something N5
の下で/の下に => under; with ~ N2
に先立って => before; prior to ~ N2
以下 => As follows, below N3
Standard
がちです/がちになる => A tends to become/happen/occur N2
Potential, Possibility
ひとつまちがえば => Just (negligence) N3
Ability
いちがいに…ない => Impossible... in general N2
Description
がり => tend to, sensitive to N4
がわかります => Capacity N5
Ability
~ がかり => similar to ...,dependent on ... N1
Evaluate
がち => tend to; tendency to; frequently; often; to do something easily. N2