interesting idioms

In my last Friday English Class,
I learned many interesting English idioms.

These are some of them.

1. She looked great. She was dressed to kill.
2. He only wore his birthday suit.
3. That test was a breeze.
4. I realize she is a fair-weathered friend.

Have you ever used these idioms?

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★魅惑（悩殺）的な服装をしている
★（生まれたときのままの）裸の
★容易なこと
★都合の良い時だけの友人

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koharu’s crocuses (today)