1. Don't take such small things to heart. 別為這些小事想不開。

    2. She was deserted by her lover， and in despair she took her own
life. 她被愛人拋棄，一時想不開就自殺了。

    3. He is a gloomy person， who always holds a pessimistic view towards
things. 他就是個悲觀的人，無論什么事總是想不開。

    4. Why are you so pessimistic ？ While there is life， there is hope.
你別這么想不開，留得青山在，不怕沒柴燒！

    5. He took things too hard， and ended his life by hanging himself
at home.因為一時想不開，他在家結束了自己的生命。

    6. He hasn't come round yet. Could you try and straighten him out ？

    他還沒有想通呢，你開導開導他好嗎？