1. Ignorance is bliss.

• 死人に口なし
• 知らぬが仏

2. There is no accounting for taste.

• 蓼食う者も好きずき
• 大は小を兼ねる

3. Birds of a feather flock together.

• 類は友を呼ぶ
• 歴史は繰り返す

4. It is no use crying over spilt milk.

• 骨折り損のくたびれ儲け
• 覆水盆に返らず

5. A little bait catches a large fish.

• 憎まれっ子世にはばかる
• 海老で鯛を釣る

6. Children have the qualities of the parents.

• 蛙の子は蛙
• 捕らぬ狸の皮算用