not know the first thing about造句

• I am afraid i do not know the first thing about gardening .
  很遗憾，我对园艺一无所知。
• Was very late for school that morning , and i was terribly afraid of being scolded , especially as monsieur hamel had told us that he should examine us on participles , and i did not know the first thing about them
  那天早晨上学,我去得很晚,心里很怕韩麦尔先生骂我,况且他说说过要问我们分词,可是我连一个字也说不上来。
• I was very late for school that morning , and i was terribly afraid of being scolded , especially as monsieur hamel had told us that he should examine us on participles , and i did not know the first thing about them
  那天早晨，我去上学，去得非常晚，我好害怕被责骂，特别是，阿麦尔先生跟我们说过，他要考一考分词规则，而我连头一个字都不会。