グラウンドルールだろう
guraundorūrudarō
1. Ground rules, likely.; Probably ground rules.
Noun
#2757698
1. Ground rules, likely.; Probably ground rules.
1. rule
1. (sports) ground; (playing) field
1. home ground; home field
2. one's haunt; one's stamping ground
1. seems; I think
2. right?; don't you agree?
1. by rule; according to rules
1. Rules; Of rule
1. Probably okay.; It'll probably be alright.
1. It is a rule.; Is a rule.
1. On the ground; At the field