Unit 13 The mystery of the Moonstone

3. keep on(doing sth.) 繼續（做某事）；反復（做某事）  e.g.  keep on trying, and you'll make greater progress. 繼續努力，你將取得更大的進步。 4. keep...out 不讓 ……進來。 e.g.  there is a lot of air in loose snow, and this helps to keep the cold out. 在松散的積雪里有許多空氣，這有利于御寒。 5. keep...out of...使……不進入……，使……置身于 ……之外 e.g.  please keep him out of trouble while he is studying here. 他在這里學習期間，請不要讓他有什么麻煩。 6. keep up堅持；保持；不使（斗志等）下落。 e.g.  they can keep up their normal body temperature even in very cold weather. 他們即使在很冷的天氣里也可保持正常體溫。 7. keep up with保持；維持；繼續；跟上。  e.g.  john was not good at maths and he couldn't keep up with the rest of the class.  約翰數學學得不好，他跟不上班上的其他同學。 8. keep watch守望；值班；放哨。  e.g.  they used to keep watch at the top of the tree during the war. 在戰爭期間，他們通常在樹頂上放哨。 9. keep away from (使)離開；遠離。  e.g.  in order to reduce diseases we should keep animals away from body in daily life. 為了減少疾病，在日常生活中我們應該遠離動物。…to prove to him that it help.  對他證明（藥）起作用。【點撥】 help ①  vi/vt 幫助; 輔助; 援助；開飯；上菜;起作用②   n.  幫助; 救助; 救濟
be of help               有用的, 有益的, 有幫助的
be of help to sb.          對某人有幫助
come to one's help        來幫某人的忙
with the help of          在...的幫助下, 借助by the help of            得到..的幫助
help sb. with sth.          幫做(某事)help oneself to           [口]隨意取用[取食] ;擅自取用; 私自占有; 偷
help sb. down            把某人攙扶下來
help sb. off with          幫某人脫 去(衣服等)
help sb. on with          幫某人穿上(衣服等)
help out                 幫助(某人); 幫助(某人)解決困難[做某事]
help sb. out of            幫助(某人); 幫助(某人)解決困難[做某事]