
好词典

源自古英语 'þūma',与古高地德语 'dūmo' 和古诺尔斯语 'þumall' 同源,意为“拇指”。
❶ 拇指,即手掌上最粗短的手指,与其他四指相对,用于抓握或按压。
“She accidentally hit her thumb with a hammer.”
(她不小心用锤子砸到了自己的拇指。)
“He gave a thumbs-up to show his approval.”
(他竖起拇指表示赞同。)
❶ 用拇指翻动或按压某物,例如快速翻阅书籍或滑动手机屏幕。
“She thumbed through the magazine while waiting.”
(她一边等待一边快速翻阅杂志。)
“He thumbed the pages of the book to find his place.”
(他用拇指翻动书页找到之前的位置。)
rule of thumb — 经验法则,指通过实践经验总结出的简单实用的方法或原则。
“As a rule of thumb, you should drink eight glasses of water a day.”
(根据经验法则,每天应该喝八杯水。)
thumb a ride — 竖起拇指请求搭便车,通常用于路边示意希望搭车。
“He thumbed a ride to the next town.”
(他竖起拇指搭便车去了下一个镇子。)