by ear的用法和樣例：
例句
- She can play the most difficult piano music by ear.
她能不看樂譜，光憑聽覺記憶彈奏最難的鋼琴曲。
辭彙搭配
- get the wrong sow by the ear 得出錯誤的結論...
- have the wrong sow by the ear 錯認人
- do something by ear 無準備地行事...
- take the right sow by the ear 做出正確結論...
- have the right sow by the ear 做出正確結論...
- get the right sow by the ear 做出正確結論...
- pull by the ear 拉耳朵(懲罰人)...
