照顾新生儿一周后，她已经疲惫不堪了。

After taking care of the newborn for a week, she was completely ___frazzled.

照顾两个调皮的孩子一整天让我筋疲力尽。

Looking after two naughty kids all day ___frazzled me completely.

这双鞋穿了三年后已经磨损得很厉害了。

These shoes are completely ___worn out after three years of daily wear.