重點(diǎn)講解：
1. bark up the wrong tree 走錯(cuò)路線；搞錯(cuò)方向；想法不對(duì)路；
例句：Scientists in Switzerland realised that most other researchers had been barking up the wrong tree.
瑞士科學(xué)家意識(shí)到其他研究者大多研究方向不對(duì)頭zFN|!Jz]wheFgQHOuI。
2. take turns/take it in turns 輪流；依次；
例句：We took turns to drive the car.
我們輪流開車_uTSCYx.3gyq3[y,X。
例句：You can take it in turns to babysit.
你們可以輪流照看孩子!NJe[PO,yp)H3h*nSR。
3. bow out 退出；
例句：He had bowed out gracefully when his successor had been appointed.
他在繼任者被任命后體面地引退了SsthtlHr+5Tc。
4. wolf down 狼吞虎咽地吃；
例句：He wolfed down the rest of the biscuit and cheese.
他把剩下的餅干和奶酪一掃而光AFR~S26l9tJ*TqPI3l^!。