A potty-trained child has already learned to use a potty or toilet, so they do not need diapers — at least in the day.

A potty-trained child一個 potty-trained 的小孩 has already learned to use a potty or toilet已經學會使用便盆或馬桶，so they do not need diapers所以不需要包尿布，— at least in the day——至少白天不用。

Nursery teachers ask, Is she potty-trained yet? It is also the past of the verb: We potty-trained him last summer.

Nursery teachers ask幼兒園老師會問，Is she potty-trained yet?「她會自己上廁所了嗎？」 It is also the past of the verb這個字也是動詞的過去式：We potty-trained him last summer像 We potty-trained him last summer（我們去年夏天訓練他上廁所）。

The line in the dictionary often names the whole process; this form is usually the result of that process, not the name of the process itself (that name is potty-training).

The line in the dictionary often names the whole process字典的詞條常常是在講整個訓練過程，this form is usually the result of that process但 potty-trained 這個形式通常指的是這個過程的結果，not the name of the process itself而不是過程本身的名稱，(that name is potty-training)（過程本身叫 potty-training）。

Though actually, the word is tidier than real life. A child can be potty-trained in the day and still wet the bed at night. Tiredness, travel, or a new baby can bring accidents back. So it names a stage, not a perfect switch that never fails.

Though actually不過其實，the word is tidier than real life這個字說得比現實生活整齊。 A child can be potty-trained in the day小孩白天可能已經會自己上廁所了，and still wet the bed at night晚上卻還是會尿床。 Tiredness, travel, or a new baby太累、出門旅行，或家裡多了個小寶寶，can bring accidents back都可能讓意外又發生。 So it names a stage所以這個字說的是一個階段，not a perfect switch that never fails不是一個永遠不會失靈的完美開關。

Same home language as potty-train.

Same home language as potty-train跟 potty-train 是同一家族的說法。