パイプ (translations)→ conduit hose pipe pipeline tube
鋭い (translations)→ acuity acute astute brilliant corrosive crisp delicate fine intense peppery perceptive piercing quick sharp sharply slashing unrelenting well-honed
穏やかな (translations)→ benignant easy fair fast halcyon pacific peaceable peacefully quiet silken soft sunny tolerant
管 (translations)→ duct spool tract
甲高い (translations)→ high high-pitched loud squeak squeaky