Not planned, not meant — something you did without intending it. It usually turns up when someone is explaining or apologising after the fact: an unintentional insult, an unintentional mistake in a bill, an unintentional pause that made things awkward.

Not planned, not meant沒有計畫、也不是故意的 something you did without intending it是你做了卻沒有那個意圖。It usually turns up這個字通常出現在 when someone is explaining or apologising after the fact有人事後在解釋或道歉的時候 an unintentional insult像是無心的冒犯 an unintentional mistake in a bill帳單上無心的錯誤 an unintentional pause that made things awkward一個讓場面尷尬的無意間停頓。

The useful thing to see is that unintentional does not mean innocent of everything. You can be careless and still be unintentional; the word only says the result was not aimed at. That is why it appears so often in careful, official language — "any offence caused was unintentional" admits the harm while denying the intent. Lawyers, apologies, and company statements love it for this reason.

The useful thing to see is有個重點值得注意 that unintentional does not mean innocent of everything就是 unintentional 不代表完全沒有責任。You can be careless and still be unintentional你可以是粗心的，同時還是 unintentional the word only says the result was not aimed at這個字只是在說結果不是刻意造成的。That is why it appears so often in careful, official language這就是為什麼它常常出現在謹慎的官方用語裡 "any offence caused was unintentional" admits the harm while denying the intent像「any offence caused was unintentional（造成的任何冒犯都是無心的）」，一邊承認傷害，一邊否認故意。Lawyers, apologies, and company statements love it for this reason律師、道歉聲明和公司聲明因此都很愛用它。

It also has a lighter, almost fond use for accidental comedy: "the sign was unintentionally funny", "an unintentional masterpiece".

It also has a lighter, almost fond use它還有一種比較輕鬆、幾乎帶點喜愛的用法 for accidental comedy用在無心造成的搞笑效果上 "the sign was unintentionally funny"像「the sign was unintentionally funny（這個告示不小心搞笑了）」 "an unintentional masterpiece"「an unintentional masterpiece（一個無心插柳的傑作）」。

Compared with *accidental*, which points at the event, *unintentional* points at the mind behind it — an accidental fire started by itself, an unintentional slight came out of your mouth.

Compared with *accidental*跟 accidental 相比 which points at the eventaccidental 指向的是那個事件本身 *unintentional* points at the mind behind itunintentional 指向的是背後那個人的心思 an accidental fire started by itself意外的火是自己燒起來的 an unintentional slight came out of your mouth無心的怠慢是從你嘴裡說出來的。