私は緊張して唾液を呑み込んだ。
translation
I strained and swallowed my saliva.
kanji (pronunciations & definitions)
| 私: I (わたし), me, I (あたくし), I (あたし), I (アタシ) | 緊張: tension (きんちょう), strain, nervousness, stress, tensions (between countries, groups, etc.) | 唾液: saliva (だえき), sputum |