To Lament
To Grieve
intransitive verb, godan verb
When you sigh, you feel a certain type of emotion. A type that makes you feel sad and causes you to lament and to grieve.
For the reading, just think about this feeling you're having (this lamenting grieving one). Then, decide you're done with it. 投げる (throw) it out the window. You don't want these feels anymore!
自分の運命を嘆くのは、そろそろやめにしないか？
Isn't it about time you stopped lamenting your fate?
彼は貧乏を嘆くのではなく、努力した。だからこそ、成功したのだ。
He didn't lament his poverty; instead, he worked hard. That's exactly why he succeeded.
私は、毎日同じ服を着ている理由を誰も聞いてくれないことを嘆いた。
I lamented that no one ever asked why I wore the same clothes every day.
どんなにくよくよ嘆いていても、時間はもどらないんだから、嘆くのはやめて前に進もうよ！
No matter how much you grieve, time won't turn back, so let's stop worrying and move forward!