及物动词
1. These books were badly thumbed.
这些书都给翻烂了。
2. The books were badly thumbed.
那些书因被翻阅过多而弄得很脏。
不及物动词
1. thumb的意思
1. I went out onto the road to start thumbing.
我走到公路上,竖起拇指要求搭车。
名词
1. There is a hole in the thumb of his mitten.
他的手套的姆指上有个洞。