「カイちゃんよー、お姉ちゃんはスゴク悲しいよー。こんなことで人生初体験だよ」「え？」「夜・逃・げ」
"Kai dear! I'm really sad! Having my first experience in this way." "Eh?" "Skip-ping-town."

初体験の相手は、年上の女性だった。
My first sexual experience was with a woman some years older than I was.

地球の生態系はある程度自己修正されるもので、その結果が他の変化によって隠されているという可能性もある。
The earth's ecosystem is to some extent self-correcting, so it is also possible that the effects are being masked by other changes.

彼らはその体系を大変な思索と労力を費やして仕上げた。
They worked out the system with much thought and labor.

この本は、現代日本語の文法をできるだけわかりやすく、体系的に説明しようとする本です。
This book aims to provide an explanation of modern Japanese grammar that is as systematic and as easily understood as possible.

彼は自分の体験を述べた。
He described his own experience.

父が戦争の体験談を語ってくれた。
My father told me about his experiences during the war.