idioms
A dime a dozen.
ありふれた、ありあまるほどいる
very common, very easy to get
A bird in hand is worth two in the bush.
何か確実、掌中にあるもの definitely
certain to get
A slap on the wrist
軽い非難（叱責）警告、罰
A blessing in disguise
姿を変えた祝福（不幸に見えて実はありがたいもの）
An arm and a leg=expensive
A taste of your own medicine
the same bad treatment that you have given to other
A chip on shoulder
癪の種（ぷりぷりすること、けんか腰）being upset about small thing
bad relationship, grudge
小さなことに怒って
mutton dressed(up) as lamb
若作りの年配女
Age before beauty. 美人より年寄りが先
the crack of ' dawn. 早い時間の
wolf dressed in sheep's clothing
hypocrite
