More N1 vocabulary

• 裂けるさけるto split; to tear; to burst
• 妨害ぼうがいdisturbance; obstruction; hindrance; jamming; interference
• 確りしっかりfirmly; tightly; reliable; level-headed; steady
• 原点げんてんorigin (coordinates); starting point
• 飲み込むのみこむto gulp down; to swallow deeply; to understand; to take in; to catch on to; to learn; to digest
• 何しろなにしろat any rate; anyhow; anyway; in any case