It's a bit embarrassing for two Japanese people to speak in English with each other.
"日本人同士が英語で話すのは、照れくさい"
- It's a (bit) embarrassing for Japanese people to speak in English with each other.
embarrassing = 恥ずかしい。bit embarrassing = 少し恥ずかしい。
- I feel ashamed when Japanese people speak in English with each other.
"be ashamed of" を使いたければ、この文章を。
- It is awkward for Japanese people to speak in English with each other.
awkward = 不器用。
英語で「照れくさい」に一番近い言葉は embarrassing と awkward しか思い浮かびません。
"When Japanese people speak English together it feels a bit awkward."
"It's bit embarrassing speaking English with another Japanese person."
- "When Japanese people speak English together it feels a bit awkward."
"when ~" 「〜のは」
"Japanese people" 「日本人同士」
"speak English together" 「一緒に英語で話す」
"it feels a bit awkward" 「照れくさい」"it feels strange" も言えます。
- "It's bit embarrassing speaking English with another Japanese person."
"it's a bit embarrassing ~" 「〜、照れくさい」
"speaking English with ~" 「〜と英語で話す」
"another Japanese person" 「他の日本人と」
アメリカ合衆国 
オーストラリア 
