Undirected
a. 未受指導的, 無姓名和地址的
? 同義詞
??? 情景例句
What was your speciality?
你學的是什么專業？
If this shirt doesn't fit,may I bring it back later?
如果這件襯衫不適合，我以后可以帶回來換嗎？
Fifteen policemen had to push very hard to get him off the main street.
15個警察不得不用很大的力氣把它推離主要街道。