口语与词汇

put it down to experience
把……看作一次教训

put two and two together
根据现有情况推论；综合判断

not have a clue/have no clue
毫无头绪、毫不理解、一无所知

ring a bell
听起来耳熟

drive sb up the wall
令（某人）大怒，令（某人）暴跳如雷

be at your wits' end
（因为非常担忧、迷惘或恼火而）全然不知所措、不知道下一步该怎么办

fight tooth and nail
竭尽全力

fed up to the back teeth
【英式英语】厌倦极了、烦透了、失望透顶

sth drops/falls into sb's lap
（毫不费劲地）得到做称心事的机会、赐良机

(down) in the dumps
情绪低落、不高兴