Dictionary / Vocabulary / 関門
かんもん
barrier; checkpoint; gateway; hurdle
common word
これ以上ここでもたついてると、後ろの第二関門からも増援が来て、挟撃されるかも知れねーんだぜ。
If we hang around here any longer, there could be reinforcements coming from the second gate to take us in a pincer movement!