乍一看，这个解决方案似乎太简单了。

The solution, ___at ___first ___sight, appeared too simple.

乍一看，这个任务似乎令人生畏，但我最终还是处理了。

___At ___first ___sight, the task seemed daunting, but I eventually tackled it.

他对这幅画一见钟情。

He fell in love ___at ___first ___sight with the painting.