29）bite off more than one can chew貪多嚼不爛；心有余而力不足；不自量力；力不從心
Model：
——I hear you've been taking an advanced physics course this semester. How's it going？ （我聽說這學(xué)期你在上高等物理課。這門課怎么樣？）
——I think I've bitten off more than I can chew. （我是心有余而力不足啊。）
30）break new ground創(chuàng)新
Model：
——His architectural design broke new ground in the field. （他的建筑設(shè)計(jì)是這個(gè)領(lǐng)域里的創(chuàng)新。）
31）do the trick做成功；達(dá)到理想的結(jié)果
Model：
——I've been trying to get the furnace started， but I can't find the right switch. （我盡力想讓爐子燃起來，可不知道該按哪個(gè)鍵。）
——Here， I believe this one in the back will do the trick. （這里，我相信后面按這個(gè)鍵，可以讓爐子燃起來。）
32）drag one's feet行動(dòng)緩慢；磨磨蹭蹭不情愿
Model：
——How's Bob coming along on his dissertation proposal？（Bob的論文計(jì)劃進(jìn)展地怎么樣了？）
——He's really been dragging his feet. （他很磨蹭的。）
33）draw the line拒絕，拒不容忍
Model：
——Paul expects me to clean the room every week. （Paul想讓我每周打掃房間。）
——That's where I draw the line. （可是我絕對(duì)不會(huì)答應(yīng)的。）
34）feel down in the dumps心情不好；情緒低落
Model：
——Kate was really feeling down in the dumps about her latest chemistry assignment. （Kate為近的化學(xué)作業(yè)成績(jī)感到很沮喪。）
35）few and far between不多；少而分散的；不常碰到或發(fā)現(xiàn)的；稀少的
Model：
——Steve is really a terrific guy. （Steve真是不簡(jiǎn)單。）
——He sure is. Ones like him are few and far between. （當(dāng)然。像他那樣的人可不多見。）
36）fit as a fiddle身體很健康
Model：
——Harry！ How have you been？ I haven't seen you in ages. （Harry，你好嗎？好久沒看見你了。）
——I'm fit as a fiddle. This exercise program I'm following is terrific. （我身體好極了。我正進(jìn)行的這個(gè)鍛煉計(jì)劃太棒了。）
Model：
——I hear you've been taking an advanced physics course this semester. How's it going？ （我聽說這學(xué)期你在上高等物理課。這門課怎么樣？）
——I think I've bitten off more than I can chew. （我是心有余而力不足啊。）
30）break new ground創(chuàng)新
Model：
——His architectural design broke new ground in the field. （他的建筑設(shè)計(jì)是這個(gè)領(lǐng)域里的創(chuàng)新。）
31）do the trick做成功；達(dá)到理想的結(jié)果
Model：
——I've been trying to get the furnace started， but I can't find the right switch. （我盡力想讓爐子燃起來，可不知道該按哪個(gè)鍵。）
——Here， I believe this one in the back will do the trick. （這里，我相信后面按這個(gè)鍵，可以讓爐子燃起來。）
32）drag one's feet行動(dòng)緩慢；磨磨蹭蹭不情愿
Model：
——How's Bob coming along on his dissertation proposal？（Bob的論文計(jì)劃進(jìn)展地怎么樣了？）
——He's really been dragging his feet. （他很磨蹭的。）
33）draw the line拒絕，拒不容忍
Model：
——Paul expects me to clean the room every week. （Paul想讓我每周打掃房間。）
——That's where I draw the line. （可是我絕對(duì)不會(huì)答應(yīng)的。）
34）feel down in the dumps心情不好；情緒低落
Model：
——Kate was really feeling down in the dumps about her latest chemistry assignment. （Kate為近的化學(xué)作業(yè)成績(jī)感到很沮喪。）
35）few and far between不多；少而分散的；不常碰到或發(fā)現(xiàn)的；稀少的
Model：
——Steve is really a terrific guy. （Steve真是不簡(jiǎn)單。）
——He sure is. Ones like him are few and far between. （當(dāng)然。像他那樣的人可不多見。）
36）fit as a fiddle身體很健康
Model：
——Harry！ How have you been？ I haven't seen you in ages. （Harry，你好嗎？好久沒看見你了。）
——I'm fit as a fiddle. This exercise program I'm following is terrific. （我身體好極了。我正進(jìn)行的這個(gè)鍛煉計(jì)劃太棒了。）