131. go for a doctor, go to a doctor
go for a doctor去请医生，go to a doctor去看病
132. notice, observe, catch sight of
notice注意到，observe观察，仔细地看，catch sight of突然看到 observe the stars
133. insist on, stick to
insist on坚持要求，后常接doing, stick to坚持, 后常接sth. stick to the plan
134. look, seem, appear
look指从外表上看，seem指内心的判断，appear指给人以表面的印象 appear wise,
look like his father
135. gather, collect
gather把分散的东西集中到一起， collect指精心地、有选择地进行收集 collect stamps
136. mean to do, mean doing
mean to do打算，想要做某事，mean doing意思是，意味着
By this I mean giving the students more practice.
137. die from, die of
die from表示死于（枪）伤，虚弱，过度劳累，饮食过度等，die of表示死于疾病，饥饿，
寒冷，年老，忧愁，失恋等精神因素 die of hunger and cold
138. pay for, pay back, pay off
pay for为…付钱，pay back还钱，但不一定还清，pay off还清 pay for the book, pay off the debt
139. divide, separate
divide把一个整体分成几部分，separate把连在一起的个体分开
divide the apple, separate the houses
140. arrive, get, reach
arrive不及物动词，后接in (大地点)，at(小地点)，get不及物动词后接to，reach及物动词
arrive in Beijing, get to Beijing, reach Beijing