Meaning:
Not 12 in numbers but 13
a group or set of thirteen
usually 13 and rarely 14

Example Sentences:
1.The fellow gave me a baker’s dozen of cookies. It made my children very happy.

2.I always carry a baker’s dozen chocolates in my purse.

Meaning:
In a great confusion,
not giving attention to something
being in a state of perplexity or confusion.

Example Sentences:
1.Jane always seems to be in a fog.
I always feel like I’m in a fog when I take that medication. It’s like it’s hard for me to think.

2.After the accident, he went about in a fog, even though he had not been injured.

ラウンジ英会話では、役に立つ英語フレーズをたくさん身につける事が出来ますよ♫

Meaning:
do not interfere into someone else’s matter,
asking to respect the privacy of others.

Example Sentences:
1.I am not asking for your opinion, mind your own beeswax.

2.You better keep your comments to yourself and mind your own beeswax.
Source: theidioms.com

ラウンジ英会話では、役に立つ英語フレーズをたくさん身につける事が出来ますよ♫