我不敢去想，如果我们当时没系安全带会发生什么。

___I ___dread ___to ___think what could have happened if we hadn't been wearing seat belts.

我简直不敢去想，自从我弟弟把它落在公园那天起，它都遭遇了什么。

___I ___dread ___to ___think what has happened to it since the day my younger brother left it in the park.

我不敢去想，如果没有你的指引，我现在会在哪里。

___I ___dread ___to ___think where I would be now without your guidance.