1. The turf is too hard. The turf is too soft. 3. Not applicable to broadleaf grass and other grasses.
Second, the weather reasons
1. It snows. 2. It's raining. It's hail. 4. The sunshine is too good. 5. cold. 6. heat. 7. lukewarm (can't cause trouble to your opponent)
Third, the stadium factor.
1. On-court factors: A. The referee helps them. B.the referee will not help us. C. the opponent is too strong. D. the opponent's technology is too delicate. The doorpost helped them. The goalkeeper of the other team performed above the normal level. G. the stoppage time is too short. H. Overtime is too long.
2. Off-site factors: A. Away, atmosphere influence. B. home games, too much interference. C. the audience doesn't cheer for us. D. Someone threw a Grenade at the stadium.
Fourth, the lottery is not good.
1. All the teams in the same group are strong teams. Generally speaking, China should lose.
2. The same group is a medium-level team, which lost, mainly because the ideological burden of wanting to win and being afraid of losing was too heavy for the players to let go.
3. The same group is a weak team, lost the game, paid insufficient attention to the opponent, was careless, and was negligent for a while.