"boner" in Chinese (Traditional)
勃起（粗俗）低級失誤（俚語，少見）
Definition
這是指陰莖勃起的粗俗俚語，通常用於男性。極少數情況下，也指愚蠢的錯誤。
Usage Notes (Chinese (Traditional))
非常粗俗，只適合在非常親密的朋友之間開玩笑時使用。表示“錯誤”的意思已經很少用。正式場合絕對避免。
Examples
He got a boner during class and was really embarrassed.
他上課時有了**勃起**，非常尷尬。
Please don’t say boner at the dinner table.
請不要在餐桌上說**勃起**。
He made a big boner during the interview.
他面試時犯了一個很大的**低級失誤**。
Sorry, I totally got a boner when she hugged me. It was so awkward!
不好意思，她抱我的時候我竟然**勃起**了，太尷尬了！
Don’t make a boner like that again—you almost cost us the game!
別再犯那種**低級失誤**了——你差點讓我們輸掉比賽！
When I heard that joke, I couldn't stop laughing—it was a real boner of a comment.
聽到那個笑話時我笑個不停——那評論真是個**低級失誤**。