单词	沉雷箱
释义	沉雷箱 chén léi xiāng caisson
随便看	not know beans(about) not know chalk from cheese not know enough to go in when it rains not know from a to b (not) know from nothing not know from nothing not know how not know if one is coming or going not knowing not knowing good from evil not known not known whether alive or dead not know one's arse from one's elbow not know right from wrong not know somebody from adam not know the first thing about something not know what not know what hit one not know what nerves are not know when not know where not know where to look not know whether one is coming or going not know whether(或if) one is coming or going not know which road to go