词根词缀trem 颤抖 + ble → 发抖;摇动 → trembled 
词根记忆trem (to quiver 颤抖)… *  → trembled 
谐音记忆穿薄(… *  → trembled 
联想记忆一出现麻烦(trouble)他就吓得发… *  → trembled 
谐音记忆谐音… *  → trembled 
联想记忆tre(踹) + m(母) + bl… *  → trembled 
谐音记忆tr… *  → trembled 
谐音记忆像“… *  → trembled 
谐音记忆穿不… *  → trembled 
联想记忆tre 追  + m 迷  + bl… *  → trembled 
谐音记忆tr… *  → trembled 
谐音记忆穿帮… *  → trembled 
对比记忆绊倒stumble摔倒tumble使… *  → trembled