Fail to observe
[經] 不遵守
?? 詞語組成解析
fail
[fel]
vt.& vi. 失敗，不及格;倒閉，破產;缺乏;衰退;
vi. 衰退;失敗，不及格;破產;不足;
vt. 不及格;使失望;忘記;舍棄;
n. 失敗，失誤;不及格;不及格者;[商]期貨交割失期;
fals, fall =err,deceive,表示”犯錯誤,欺騙”
to
[tu,t?]
prep. 向，朝著;到;關于;屬于;
adv. 朝一個方向的;到某種狀態;關閉;
??? 情景例句
Mind your manners.
注意你的行為舉止。
What's your favorite food?
你最喜歡的食物是什么？
After it had passed, they swam on as quickly as they could because they knew that the boat would soon return.
快艇過去之后，他們以最快的速度向前游去，因為他們知道快艇馬上就要轉回來。