引發暴力行為
It is estimated that 6.9 % of people have experienced sleepwalking at least once in their life.
據估計有6.9%的人一生中至少經歷過一次夢遊。
estimate (v.)估計It is estimated that… 據估計…It is said that… 據說…It is reported that… 據報導…It is believed… 一般相信…at least 至少at most 最多
Although sleepwalking is more common in children, about 1.5 % of adults have had one episode of sleepwalking beyond their childhood years.
雖然夢遊比較常發生在孩童身上，大約有1.5%的大人在童年過後有過一回夢遊經歷。
common (adj.)常見的common sense 常識uncommon (adj.)不常見的現在完成式 have+p.p.episode (n.)一個事件,一段經歷,集
The symptoms of sleepwalking can include a variety of simple or complex actions that a person does while asleep.
夢遊的症狀包含熟睡時所做的各種簡單和複雜的動作。
symptom (n.)症狀variety (n.)變化,種類a variety of 各式各樣的…various (adj.)各式各樣的
The person may sit up during the middle of the night, walk short distances, or even do everyday activities such as getting dressed and cooking.
那個人可能會在半夜坐起來、走一小段距離、甚至會做像是穿衣和煮飯等日常活動。
everyday (adj.)日常的,每天的every day (adv.)每天
Obviously, some of the activities are quite dangerous when one tries to do it when asleep.
很顯然地，有些活動當嘗試在睡覺時做的話很危險。
obviously (adv.)明顯地=clearly=apparently=evidently
If your family or roommates sleepwalk, there are a few things you can do to prevent them from dangers.
如果你的家人或室友會夢遊的話，你可以做一些事來預防危險。
prevent…from阻止…免於
When you see someone sleepwalking, try to gently lead them back to bed. Sometimes talking to them helps.
當你看到某人夢遊時，試著溫柔地引領他們回到床上。有時候跟他們說話是有幫助的。
感官動詞+原形動詞or現在分詞gently (adv.)溫柔地,輕輕地sometimes (adv.)有時候sometime (adv.)某個時候some time 一些時間
It is best to avoid touching them because, though very rare, sometimes violence occurs during sleepwalking when the person is grabbed or approached.
最好是不要碰到他們，因為雖然很罕見，但有時候夢遊的人被抓住或靠近時，可能會發生暴力行為。
It is best that… It is best to V 最好是…rare (adj.)罕見的a rare disease 罕見疾病occur=happen (v.)發生
If the symptoms become severe, for example, if the sleepwalking involves dangerous activities or happens too frequently, it is probably wise to see a doctor or consult a sleep expert.
如果症狀變得嚴重的話，例如在夢遊時會做危險的活動或發生得太頻繁，或許最好是去看醫生或諮詢睡眠專家。
連綴動詞become+形容詞severe (adj.)嚴重的frequently (adv.)經常地,頻繁地frequency (n.) 頻率