Repeat is the doohickey of the memory.

重复是记忆的窍门。

This radio knob is gone, but you can try to find a doohickey thing to use as a knob.

这个收音机的钮不见了， 不过你可以试著找找有没有小零件能够作为它的钮。

Small doohickey 2: Sunshine fades not more easily than be being cleaned in day of overcast and rainy.

小窍门二： 韩 晴天比在阴雨天清洗不容易褪色。